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Rockford Fosgate 250.1 User's Manual

1. Punch Status Display connected to one 250 2 e Channel A monitors left channel e Channel B monitors right channel r UA Punch Status Display usss Pera WW DEN Punch Status Display connected to a pair of 250 1 e Channel A monitors left 250 1 amplifier e Channel B monitors right 250 1 amplifier ATTENTION Werecommend your Authorized Rockford Fosgate Dealer install your new accessory 39 Energy Storage Capacitors Energy Storage Capacitors are used to provide extra current needed by amplifiers to reproduce musical transients The capacitors also have the natural ability to filter AC ripple caused by the alternator reducing the chance of noise in the system The capacitors are available in a variety of values and will maximize both the sound quality and performance that Rockford Fosgate amplifiers can deliver Battery or ockfordfesgare the connecting pundh e Recommended capacitance is 1 farad per 1000 watts 9 XCard Crossovers Additional crossover card frequencies are available for specialized requirements You can getthe following XCards from your Authorized Rockford Fosgate Dealer 200Hz 275Hz 400Hz 4 500Hz 6 500Hz Blank card for cu
2. 4Q min Les entr es RCA sont connect es aux canaux gauche et droit L interrupteur Signal Input doit se trouver dans la position Unbal anced pour utiliser l entr e RCA L interrupteur Left Phase doit se trouver dans la position 0 L interrupteur Right Phase doit se trouver dans la position 180 pour operation en tri mode Les gains des canaux gauche et droit sont r gl s de la m me mani re pour quilibrer le subwoofer L imp dance de chaque canal devrait tre de minimum 20 L imp dance du canal mono devrait tre de minimum 4Q Les XCards sont introduites sur fall range Il est conseill d utiliser les filtre passifs lorsqu on fait fonctionner l amplificateur en tri mode NE connecter AUCUN des c bles HP la masse au risque d un fonctionnement instable Les filtres passifs sont n cessaires pour une utilisation correcte stereo mono 54 Bitte lesen Sie diese G ebrauchsanleitung zuerst sorgfaltig durch D as kann Sie vor dem falschen Einsatz Ausfallen oder sogar Besch digung des Produktes oder Ihres Fahrzeuges sch tzen EINLEITUNG Die 250 Serie Power Verst rker repr sentiert das Beste wasRockford Fosgate anzubiete hat Unsere Ingenieure haben in diesen Verst rkern technische Features realisiert die in der gesamten Auto HiFi Industrie einzigartig sind Trans nova DIABLO und TO PAZ exklusive entwickelt von Rockford N here Informationen hier ber und weite
3. h 250 git ai dira unch 250 i E lge car De y conpetutLon power aller Y att Are Vd Dear Customer Congratulations on your purchase of the world s finest brand of car audio amplifiers At Rockford Fosgate we are fanatics about musical reproduction at its best and we are pleased you chose our product Through years of engineering expertise hand craftsmanship and critical testing procedures we have created a wide range of products that reproduce music with all the clarity and richness you deserve For maximum performance we recommend you have your new Rockford Fosgate product installed by an Authorized Rockford Fosgate D ealer as we provide specialized trainingthrough Rockford Technical Training Institute RTT 1 Pleaseread your warranty and retain your receipt and original carton for possi ble future use Great product and competent installations are only a piece of the puzzle when it comes to your system Make sure that your installer is using 100 authentic installation accessories from Connecting Punch in your installation Connecting Punch has everything from RCA cables and speaker wire to Power line and battery connectors Insist on it After all your new system deserves nothing but the best To add thefinishing touch to your new fanatic image order your Rockford Fosgate wearables which include everything from T shirts and jackets to hats and sunglasses To get a freebrochureon Rockford Fosgate pro
4. Full Range gt 2 Full Range Full Range ep Xover s set to 0dB The 250 1 is in Audiophile Bypass mode which maintains signal integrity resulting in a better sounding amplifier Pass Thru has Full Range output only The XCard does not need to be inserted to allow the 250 1 to operate 31 Configure a 12dB per octave filter for the 250 1 X O ver 0 180 Punch 24dB 12dB 0dB Status L R L Mono Display RCA Inputs Speaker H CE 12dB 0 ctave Low Pass Full Range 20Hz Xover is set to 12dB Pass Thru has Full Range output only 323 Configure a 24dB per octave filter for the 250 1 X O ver 0 180 Speaker 24dB 12dB 0dB Punch 3 Status Display 24dB O ctave Low Pass Full Range Xover is set to 24dB Pass Thru has Full Range output only By switching the crossover to 24dB the signal is routed through the XCard twice 33 SYSTEM DIAGRAMS 250 Watt Sys
5. 250 2 Pass Thru XCard XCard HP LP Bj E i Unbal MIO C E Speaker 0 180 Bal EZ 180 0 Speaker Bal Pass Input Bridged R L R Gain Thru Gain punch 60 2 12dB Octave High Pass N 12dB O ctave High Pass 2 20Hz 80Hz 20kHz 20Hz 80Hz 20kHz 12dB 0 ctave Low Pass 20Hz 80Hz 20kHz 250 2 uses output from XCard 1 Pass Thru uses output from XCard 2 21 Audiophile Bypass the 250 2 and configure a 12dB per octave filter for the Pass Thru XCard not required Pass Thru XCard LP L Mono R DE ee GE so Gain Thru Full Range Full Range 12dB 0 ctave Low Pass zu 20Hz 80Hz 20kHz 250 2 bypasses the circuitry of XCard 1 Pass Thru uses output from XCard 2 The 250 2 is in Audiophile Bypass mode which maintains signal integrity resulting in a better sounding amplifier XCard 1 does not need to be inserted to allow the 250 2 to operate 22 ot Bed s 15129 q 1ebs04 pI0pyDOY p zuounnv JINO woy a gejiene Sue ss DUSNDIIY DIS JBAO
6. Check connections substitute with known working source and cables and repair or replace as necessary Check connections substitute with known working BLT and cables and repair or replace as necessary Check switch position and correct as necessary Check crossover switches and XCard positions and repair or replace as nec essary TROUBLE A Y U s H of al 2 N G TROUBLE e Symptom Diagnosis Low or distorted output from Remedy H o 0 T G Input gain s for amplifier incorrectly Readjust input gains of amplifier UU the Pass Thru output of the amplifier set Source unit output too low XCards are missing or not placed prop erly in crossover slots and or switches are not properly selected Low battery voltage or large voltage drops to the amplifier under load RCA cable or amplifier connected to Pass Thru output is defective If noise persists see your local Authorized Rockford Fosgate Dealer 43 Check system with known working source and repair or replace original source as needed Check crossover switches and XCard positions and repair or replace as nec essary Check the alternator battery fuse or circuit breaker and power and ground wiring and repair as necessary Check connections substitute with known working amplifier or cables and repair or replace as needed Autosounp 2000 s Quick CHECK FOR TROUBLESHOOTING CAR Aup
7. ul N N LA Y D D N N w OO N CH re NI 00 S re H o Soja LA SSjj DIE re D re re CO 15 250 2 INSTALLATION 250 2 Power Connections 0 ption 1 m Punch Status Display Dual B Dual GND Connect to remote turn on lead of source unit Connect to optional PSD Connect to chassis ground of vehicle Less than 18 lt L Connectto B of battery with a 60 amp fuse Keep wire as short as possible 250 2 Power Connections O ption 2 Li Punch Status Display Dual B Dual GND Connect to remote turn on lead of source unit Less than 18 2 Connectto optional PSD Connect to chassis ground of vehicle Optional energy storage capacitor Connect to B of battery with a 60 amp fuse Keep wire as short as possible Stereo O peration Unbal Lim IR Speaker 0 180 Bal I EZ 180 0 Speaker L R Bal Pass Input Bridged Thu L R Gain RCA inputs are connected to both left and right channels Signal Input Switch selected to Unbalanced for RCA input Left Phase Switch set to 0 Right Phase Switch set to 0 Gain for left and right channels operate independently Impedance for each channel should be 22 minimum XCard can be High Pass Low Pass or Full Range position E E ua Speaker 0 180
8. 2 5 8 H 24 4cm x 36 27cm x 6 6cm 250 1 SPECIFICATIONS Dynamic Power Rating IHF 202 Standard Measured at 14 4V M ono into a 4Q load M ono into a 2Q load Bridged using 2 Punch 250m into a 4Q load Continuous Power Rating Competition Standard Measured at 13 8 Volts RMS continuous power mono into a 4Q load from 20 20 000Hz with less than 0 10 THD RMS continuous power mono into a 22 load from 20 20 000Hz with less than 0 15 THD RMS continuous power bridged using 2 Punch 250 1 Power amplifiers in the same system into a 4Q load from 20 20 000Hz with less than 0 15 THD Signal to N oise Ratio Frequency Response Bandwidth Damping Factor 42 at output connector Slew Rate IM Distortion IHF Input Impedance Input Sensitivity B Fuse Size External to amplifier Fuse Type Crossover Alignment Factory Crossover Frequency Factory Default Crossover Setting Dimensions 420 Watts 710 Watts 1420 Watts 250 Watts 500 Watts 1000 Watts gt 100dB A weighted 20Hz 20 000Hz 0 5dB 10Hz 250kHz 3dB gt 200 50V us lt 0 05 20k Ohms Variable from 300mV to 5V Preset at the factory for 500mV 60 Amp ortwo 30 Amp AGU Maxi Fuse 12dB or 24dB octave Butterworth 80Hz 0 047uf Full Range 9 5 8 W x 14 9 32 L x 2 5 8 H 24 4cm x 36 27cm x 6 6cm Specifications subject to change without notice 48 LIMITED WARRANTY INFORMATION Rockford Corporation off
9. XCard Internal Crossover The Power amplifiers utilize internal active crossovers These crossovers have many performance advantages such as using discrete components for exact frequency adjustments which are far superior to potentiometers Additionally the XCard can be configured for high pass low pass and full range operation With slight modification many crossover frequencies and slope configurations can be achieved THE RESULT Increased system design flexibility with a precise electronic crossover without the limitations of conventional potentiometer designs Stereo Pass Thru The Pass Thru output provides a convenient source for daisy chaining an additional amplifier withoutthe need for extra RCA cablesor Y adapters The 250 1 Pass Thru provides constant Full Range stereo output The 250 2 has the ability to provide constant Full Range stereo output as well as distribute one of its internal XCards to the Pass Thru for a dedicated High Pass or Low Pass output THE RESULT Convenient signal level output for adding extra amplifiers Balanced Line Inputs 250 2 Using the 250 2 with the BLT Balanced Line Transmitter Figure 2 RCA Input Differential provides the last word in achievable rejection of noise Center Input induced in the cable between the source and the amplifier SE da The differential input circuitry Figure 2 used in the bal dui ES anced input system rejects whatever signals are common Shield to both of th
10. be sure that each component will be easily accessible for making adjustments Before beginning any installation be sure to follow these simple rules SL ME tie 10 Carefully read and understand the instructions before attempting to install the amplifier For safety disconnect the negative lead from the battery prior to beginning the installation For easier assembly we suggest you run all wires prior to mounting your amplifier in place Route all of the RCA cables close together and away from any high current wires Use high quality Connecting Punch accessories for a reliable installation and to minimize signal or power loss Think before you drill Be careful not to cut or drill into gas tanks fuel lines brake or hydraulic lines vacuum lines or electrical wiring when working on any vehicle Never run wires underneath the vehicle Running the wires inside the vehicle provides for best protection Avoid running wires over orthrough sharp edges U se rubber or plastic grommets to protect any wires routed through metal especially the firewall ALWAYSprotectthe battery and electrical system from damage with proper fusing Install a fuseholder and fuse on the 12V power wire within 18 45 7cm of the battery terminal When grounding to the chassis of the vehicle scrape all paint from the metal to ensure a good clean ground connection Grounding connections should be as short as possible and always be connected to metal that is wel
11. e aun yuoy USING THE 250 2 BALANCED LINE INPUTS The Balanced Line Inputs can be utilized with the optional Balanced Line Transmitter Unlike standard RCA cables that use two wires to carry the audio signal and ground balanced lines use three In a balanced line the output signal and its inverted replica travel down a pair of wires where the ground connects via the shield As the amplifierreceivesthe signals itcancels out whatever signals are common to both wires The use of balanced lines helps in preventing radiated noise pickup in the signal cables and has been proven effective in studio installation where long cable runs and magnetic fields make maintaining signal integrity difficult Connecting the BLT ockfordfosgare BALANCED LINE TRANSMITTER BALANCED LINE INPUT OUTPUT LED L R y k SHIELD Unbal L Mono R RER Speaker 0 180 Bal Bal a sz e pa Input Bridged Gain Thu L R Signal Input Switch to Balanced for Balance Line Input Gain for Left and Right channels set to minimum CAUTIO N You must turn the gain controls to minimum when using the Balanced Line Transmitter If the input gains need to be adjusted this can now be done in the Balanced Line Transmitter 24 Level Setting the BLT lt ockibrafosqaie BALANCED LINE TRANSMITTER Disconnect Speaker s from the 250 2 CD Software used to
12. for Full Range Each crossover card has two faces one face operates Full Range the other has arrows to indicate the edge for selecting HP high pass or LP low pass operation Orient the card with the desired operating edge indicated by the arrow toward the socket terminals inside the amplifier Firmly but carefully plug the card into the socket High Pass Low Pass Full Range ta a CUSTOMIZING THE X CARD The crossover point can be altered by changing the 4 resistor values U se the following formula to select the appropriate resistor value to be placed on the XCard R in KQ for 047uf cap The actual formula is R TfoC Where R Q L desi f R in ko for 022uf cap 0 desired crossover requency c capacitor in farads ex 047 x 10 6 for 047mf cap 14 XCARD RESISTOR CHART O ur tests have shown that using 0 047uf capacitors for frequencies below 100Hz and 0 022uf capacitors for frequencies above 100Hz resultin more linear crossover control Refer to the Specifications page to determine the capacitor value of each supplied XCard Butterworth Alignment Q 707 Butterworth Alignment Q 707 1 resistors used with 0 047pF capacitors 1 resistors used with 0 022uF capacitors Frequency R1 Le Frequency R1 357 287 LA
13. for curing installation problems INTRODUCTION TO 250 SERIES The 250 Series Power amplifiers represent the best Rockford Fosgate has to offer O ur engineers devised technical features which would be considered overkill by other audio manufacturers but not at Rockford Fosgate Transe nova DIABLO and TO PAZ exclusively designed by Rockford are just a few of these features which are described in the Technical Design Features section of this manual The 250 2 is a two channel amplifier which is optimized to drive 2Q stereo and 4Q bridged loads The 250 1 is a single channel amplifier optimized to drive a 2Q single amp or a 4Q bridged load pair of amps bridged to a single load The 250 series use Rockford sinnovative technologies for awesome sound quality reliable performance and high output power into low impedances This can be beneficial for serious competition vehicles PUNCH AMPLIFIER Accessory PACK The accessory pack shipped with the 250 series Power amplifiers include the mounting hardware necessary to secure it to the vehicle as well as attaching the end caps Punch Power 250 2 Punch Power 250 1 Installation Operation Manual Installation O peration Manual Punch Verification Certificate Punch Verification Certificate 4 Amplifier mounting screws 8 x 3 4 phillips 4 Amplifier mounting screws 8 x 3 4 phillips 8 Speaker amp power connector screws 3 32 allen 4 End cap mountin
14. lighting when the unit is turned on Punch Status Display The RJ11 interface allows connection of an LED display used to monitor amplifier performance Piockford fosqate punch 250 2 AMPLIFIER into 4 Ohms 125 Watts X 2 in P with less than 0 05 THD N from 20 2 into 2 Ohms 225 Watts X 2 In m 20 20KH2 XCard O ptions m with less than 0 10 THD N fro gt ORATION CKFORD CORP ROC ADE IN THE USA Pass Thru Amplifier gt eer Amplifier Amplifier F h 250 2 can be idging Note The PUNC a eg configurations Ee A e Sos manual to determine me a gt SE work best in your system A E 11 Audiophile Bypass Used NotUsed Not Use Full Range ES Audiophile Bypass an s wotused Amp Only SS 250 1 DESIGN FEATURES 1 Cast Aluminum Heatsink The cast aluminum heatsink of the Punch Power amplifier dissipates heat generated by the amplifier s circuitry The inherent advantage of casting provides a 30 improvement of cooling over conventional extrusion heatsink designs 2 EndCaps The unique end capsconceal the wiring and input cables giving the amplifier a clean stealth look X O ver 24dB 12dB 0dB Punch Status L R L Display Mono LPass Thru R Pass Thru Dual B Dual GND 3 Speaker Terminals The heavy duty gold plated terminal block connectors and will accept wire sizesfrom 8 AW G to 18 AWG Th
15. recommended Engine Compartment Mounting Rockford Fosgate amplifiers should never be mounted in the engine compartment N ot only will this void your warranty but could create an embarrassing situation caused by the ridicule from your friends BATTERY AND CHARGING Amplifiers will put an increased load on the vehicle s battery and charging system We recommend checking your alternator and battery condition to ensure that the electrical system has enough capacity to handle the increased load of your stereo system Stock electrical systems which are in good condition should be able to handle the extra load of any Rockford amplifier without problems although battery and alternator life can be reduced slightly To maximize the performance of your Rockford Fosgate amplifier we suggest the use of a heavy duty battery and an energy storage capacitor 10 WIRING THE SYSTEM CAUTION Avoid running power wires near the low level input cables antenna power leads sensitive equipmentorharnesses The powerwires carry substantial currentand could induce noise into the audio system 1 Configure the internal XCard crossovers prior to installation Refer to the Using the Signal Switching Network page 19 for the 250 2 and page 31 for 250 1 for further information 2 Plan the wire routing Take care when running signal level RCA cables to keep them close together but isolated from the amplifier s power cables and any high power auto acces
16. set levels is a test tone of 1kHz at OdB or All Bits High Source Unit setto 3 4 volume or maximum unclipped output e Remove BLT Cover to access test pads and gain pots AC Voltmeter set to AC Volts AC Voltmeter connected to RCA shield of BLT AC Voltmeter connected to test pad inside the BLT Adjust BLT Gain from 2 5 VRMS min to 8 0 VRMS max per test pad see chart below Be sure the time index reads greater than 30 seconds on source unit Gain Overlap BLT Output AC Volts Performance Characteristics 2 5 VRMS Best S N Ratio Reduced SPL U sed for O ptimum Sound Quality 4 5 VRMS Good S N Ratio amp SPL Use for Audiophile Listener 8 0 VRMS Best Compromise between S N Ratio amp SPL U sed for Average Listener Absence of gain overlap will reduce SPL and may not permit amplifier to reach full output power due to various CD software 25 250 1 INSTALLATION 250 1 Power Connections 0 ption 1 e 0 Dual B Dual GN Connect to remote tum on lead of Connect to chassis source unit ground of vehicle re il Less than 18 lt _ Connect to B of battery with a 60 amp fuse Keep ground connections as close to each other as possible 250 1 Power Connections O ption 2 Dual B Dual GND Connect to remote Connect to chassis turn on lead of ground of vehicle source unit gt Nr 5 z Less than 18 lt _ Optional energ
17. ssen wasserdicht sein HISLMQ GND Anschluss Preparieren Sie Ihr Kabel f r die N egativ Leitung Erdung Preparieren Sie die AnschluBstelle des Erdungskabels indem Sie das M etall gr ndlich reinigen und vom Lack befreien Befestigen Sie nun die Erdung an dieser Stelle mit einer Schraube REM Anschluss Verbinden Sie das Ein und Ausschaltkontroll Kabel mitlhrem Radio 12 Volt positiv Normalerweise verwenden Sie hierf r die Ant Remote Ihres Radiosoder ein eigens daf r vorgesehenes Kabel Amp Remote Sollte Ihr Radio diesen Anschlu nicht besitzen so verwenden Sie ein 12 Volt Spannung die Sie durch eine Schalter ein und ausschalten k nnen 55 Stereo M ono Betrieb Unbal ER F O Speaker 0 180 Bal EZ 180 0 Speaker L R Bal A Pass Input Bridged Thru L R Gain 2Q min 2Q min ES Speaker Speaker i Terminal Terminal nn TR 4Q min Chinch Eing nge des rechten und linken Kanales anschlie en Signal Eingangsschalter auf unbalanced f r den Betrieb mit Chinch Kabel stellen Linken Phasen Schalter auf 0 stellen Rechten Phasen Schalter auf 180 stellen f r den Stereo M ono Betrieb Die Lautsprecher Phase des rechten Kanales umkehren um eine Phasenkorrektur zu erreichen Gain Regler des linken Kanales angleichen um die Lautst rke des Subw oofers einzustellen Impendanz f r jeden Kanal sollte minimum 2 O hm betragen Impendanz im Br c
18. verso il basso si garantir un miglior raffreddamento dell amplificatore Nell abitacolo Montare l amplificatore nell abitacolo si avr un funzionamento regolare se si garantisce un flusso d aria sufficiente Per l installazione sotto un sedile necessario avere uno spazio di almeno 3 cm attorno a tutto l amplificatore Installazione Per sicurezza scollegare il polo negativo della batteria dell auto prima di iniziare l installazione Terminale B cavo positivo Il cavo positivo deve essere protetto da un fusibile a non pi di 45 cm dalla batteria Terminare il cavo e installare il fusibile nel vano motore Tutte le connessioni devono essere a prova d acqua Terminale GND cavo negativo Decidere la lunghezza del cavo e terminarlo Preparare la massa grattando la vernice dal telaio dell auto ed eliminando tracce di olio o sporco Fissare il cavo di massa al telaio con una vite Terminale REM Consenso di accensione Collegare il cavo REM ad un positivo presente solo ad autoradio accesa normalmente il cavo pilota dell antenna elettrica o il cavo accessori dell autoradio Se la sorgente non dovesse essere equipaggiata con queste uscite la soluzione raccomandabile di inserire un interruttore su un cavo positivo e connettersi all amplificatore 57 ONVITVL Stereo Mono O peration Unbal DIO LW eaker 0 180 Bal EZ 180 0 speaker Ka Bal F Pass 4 Input Bridged R Thru Gain 2Q min
19. without having to disconnect the speaker wires Crossover Switch This multi function switch enables you to selecta 12dB per octave slope or 24dB per octave slope of the internal crossover When switched to OdB the internal crossover circuit can be bypassed maintaining Audiophile sound quality due to a shorter signal path LED Power Indicator The LED illuminates when the unit is turned on Punch Status Display The RJ11 interface allows connection of an LED display used to monitor amplifier performance O punch 250 1 AMPLIFIER with less o Watts X 1 into 4 Damme i 10 10 THD te an 0 500 Wats XD from 202044 ith less than 015 THD wi K TION oRPORA KFORD COLTE USA ROC MADEIN THE High Pass e Ill 10 Low Pass ED lt Full Range SS ssis o Not Chase er ground any Speake INSTALLATION CONSIDERATIONS Tools Needed The following is a list of tools you will need for installing the 250 Series Power amplifiers Allen wrenches 9 64 3 32 included Wire Cutters Wire strippers Voltmeter Battery post wrench Wire crimpers Electric hand drill and assorted bits Assorted connectors This section focuses on some of the vehicle considerations for installing your new Punch amplifier Checking your battery and present sound system as well as pre planning your system layout and best wiring routes will save installation time W hen deciding on the layout of your new system
20. 0 01395 T T OSZ UDS eseyd du vay 2 Bus 104 OUO yy 7 01 195 G E T OGZ UN dul pubs Kou nb u Mo WNW LUNI Or jeuuuoL leu uua nech NU LN Joyeods ausnbay yBbiy ausnbay yBbiy WNW TU OZ w nwunu OZ T ndul You NUUL SSEd y NUULSSEdT I ndul vou NUUL SSEd y MYL SSEd 1 Aedia ouow 1 4 7 ouow 1 4 7 SAS JONO X KI mi m o o re o 0e GC y QUO 7 y andui vou abuey IL 10 SSsed MOT SSeg Ub IH Se l le5nu pi PS Z TH T OSZ PDX w nwiunu Gr aq pinoys Puuey gt pobpuq 10 aauepeduu J9JOOMQNS y ADUe eq Q enb PS amp T T 087 ULD 008T OS 24 T OSZ UDS Sseyd 00 01385 T T OSZ UPIM sseyg ndu WOU 104 7 07 385 Z T OSZ YPS dur Pubs UUNWIUIL Or WI Jeu uua Pu uuaL Joyeads Joyeads ndul vou ni yLssed y Muy ssed 1 Aedia ndul vou niy L ssed y My ssed 1 ouow 1 4 1 SAS ouow 1 4 1 SPO APZT aPrZ ue pa GE SE SPO APZT IPPZ Kee J pa pads Leg J8AO X eos 10 e M lt 081 0 JPAO X somos W I gt al a eg Wiel a mula NE ee andui vou uoneRdO OUOIN Ou USING THE 250 1 SIGNAL SWITCHING NETWORK AOPE EE the 250 1 Unbal doe y R ele mimi C m Speaker 0 180 Bal Bal __EZ 180 0 Speaker dal Pass Input Bridged R Gain Thu L Gain
21. 20kHz TX 4183 TX 4183 18dB octave HP 400Hz 20KHz 12dB octave HP 3kHz 20kHz 18dB octave HP 80Hz HP 80Hz LP 80H z 20KHz 24dB octave HP 80Hz 400Hz 12dB octave BP UN LIN 4250 l 30Hz High Pass used oO as a sub sonic filter 30Hz 80Hz 12dB octave BP RFR 1415 A sub sonic filter isa high pass filter that limits the input signal below a certain motion below that frequency At very low frequencies a woofer has no output justmotion If you try to drive this woofer atthese lowerfrequencies the woofer could self destruct Please refer to the crossover section of the manual or see your local Authorized Rockford Fosgate Dealer for more information 1000 Watt System rated 4 ohms Total Power Delivery RMS _ Tweeters 450 Watts oe Midrange Midbass W oofers Pass Thru 400Hz LP TX 4183 PWR 14X 3kHz 20kHz TX 4183 18dB octave HP 400Hz 20kHz 12dB octave HP ass Thru 80Hz HP 80Hz LP E PWR 64 ei 8 0Hz 400Hz 12dB octave BP 30Hz High Pass used as a sub sonic filter 30Hz 80Hz 12dB octave BP Pass Thru PWR 14X TX 4183 3kHz 20kHz 18dB octave HP 100Hz 20kHz 24dB octave HP Pass Thru pac 250 N TIT TM 30Hz High Pass used HHHHHHHHHH as a sub sonic filter DI 30Hz 80Hz 12dB octave BP RFR 1415 RFR 1415 e A sub sonic filter is a high pas
22. 2Q min ES Speaker Speaker Terminal Terminal RCA inputs non sono collegati ad entrambi i canli destro e sinistro Interruttore di segnale input selezionato per il non bilanciamento per l input RCA Fase sinistra dell interruttore posizionata su 0 Fase destra dell interruttore posizionata su 180 per l operazione stereo mono Tutta la polarit dell altoparlante del canale destro invertita per correggere il segnale di fase Gain per i canali destro e sinistro posizionati ugualmente per bilanciare i subwoofer Impedenza per ogni canale deve essere minimo 2Q Impedenza per i canali a ponte deve essere minimo 42 XCard posizionata per tutto il range Crossover passivi sono indispensabili per un corretto funzionamento stereo mono 58 MADE IN THE USA This product is designed developed and assembled in the USA by a dedicated group of American workers The majority of the components used in the construc tion of this product are produced by American companies However due to the global nature of their manufacturing facilities and the loudspeaker parts industry in general some parts may be manufactured in other countries Rockford Fosgate Rockford Corporation 546 South Rockford Drive Tempe Arizona 85281 U S A In U S A 602 967 3565 MAN 1529 A In Europe Fax 49 4207 801250 9 96 In Japan Fax 81 559 79 1265
23. Bal EZ 180 0 Speaker L R Bal i Pass Input Bridged Thru R ve Gain 2Q min 2Q min Speaker Speaker Terminal Terminal 4Q min RCA inputs are connected to both left and right channels Signal Input Switch selected to Unbalanced for RCA input Left Phase Switch set to 0 Right Phase Switch set to 180 for stereo mono operation All speaker polarity on right channel is inverted to correct for signal phase Gain for left and right channels set equally to balance the subwoofer Impedance for each channel should be 22 minimum Impedance for bridged channel should be 4Q minimum XCard isin Full Range position Passive crossovers are needed for proper stereo mono operation Bridged O peration RCA Input Unbal lO OMO Speaker 0 180 Bal EZ 180 0 Speaker Bal L vey Pass Input Bridged yey S Thru L R E Speaker Speaker Terminal Terminal RCA inputs are connected to both left and right channels Signal Input Switch selected to Unbalanced for RCA input Left Phase Switch set to 0 Right Phase Switch set to 180 Inverting the right signal will allow the bridged woofer to operate correctly Gain for left and right channels set equally to balance the subwoofer Impedance for bridged channel should be 42 minimum XCard is in High Pass Low Pass or Full Range position EZ Bridged O peration Mono Input Un
24. Q La impedancia minima cuando se trabaje en puente ser de 4 2 Deber seleccionarse una XCard tarjeta del divisor de frecuencias de banda completa Passive crossovers are needed for proper stereo mono operation bd ATTENTION Veuillez lire les instructions suivants pour l nstallation de ce produit Ne pas les suivre pourrait causer des blessures ou endommager le v hicule INTRODUCTION La s rie d amplificateurs Power 250 est la vitrine technologique de Rockford Fosgate Nosing nieursutilisentici des technologies consid r es hors d atteinte par d autres fabricants Trans nova DIABLO et TO PAZ exclusivement con ues par Rockford Fosgate ne sont qu une partie des technologies sp cifiques d crites dans la section Technical Design Features de ce manuel Le 250 2 est un amplificateur deux canaux optimis pour des charges de 20 st r o et de 4Q mono Le 250 1 est un amplificateur mono optimis pour une charge de 2Q un ampli ou 4Q deux amplis 250 1 pont s ensemble La serie 250 utilise les technologies innovatives de Rockford qui lui donne cette impressionante qualit sonore cette fiabilit et cette incroyable puissance de basses imp dance Ceci constitue un avantage s rieux pour des v hicules de comp tition MONTAGE Montage dans le coffre Monterl ampificateur verticalement avec lesrainures de hauten bas ce qui lui permetde refroidir plusfacilement Montage dans l habitacle M onterl ampi
25. SSOID PUORIPP Y UO REULUOJU I BOW 104 pT 26ed uo pue5x ey Bus n Q JY uoneuodo ssedpueg doud a qeua q paziuuogsnI aq 3snuu spueDK OU JO QUO 3529 WW SPIEIX ZHO8 UY IM paddiuys S Z OSZ U L Ja11 duue Pu punos peq e u Bugs upu jeubis SUIRUIELI yO lym apouu ssedAg sjidomny u S Muy ssed Z PueDX pue T DIS s ssed q NALL Ssed Z PIeIX pue T pex wo 1nchno sasn z osz d1 P P SU PIEDX YO dH Deet pIeDX SUC AION 4140 dH se p u su pIe x OJ ION buey N4 fue Wm IO ER U ssed UBIH NePO APrT _ SSed UBIH 21820 gPptz ZHSZZ OOT PNE O APZI ZHSZZ OOT 282 O APZI ue RA pebpug TiS Needs eg 0081 23 Ri sexyeads OC andui i o08T 0 seyeeds 5 ur LIL eye equn uy 1 sseg ayy ssedAg lRicloipnv pue 2 057 aun uu sseg au ssedAg a rudompny pue JO 23 14 ssedjpueq anepo ad gPZT e ambyuo gt z OSZ SUR 103 PY 2 20 wed gpyz
26. and thoroughly clean the area of all dirt and grease Strip the other end of the wire and attach a ring connector Fasten the cable to the chassis using a non anodized screw and a star washer 6 Prepare the REM turn on wire for connection to the amplifier by stripping 1 4 of insulation from the wire end and crimping an insulated spade connector in place Slide the connector over the REM terminal on the amplifier Connect the other end of the REM wire to a switched 12 volt positive source The switched signal is usually taken from the source unit s auto antenna or the accessory lead If the source unit does not have these outputs available the recommended solution is to wire a mechanical switch in line with a 12 volt source to activate the amplifier 7 Securely mount the amplifier with supplied screws to the vehicle or amp rack Be careful not to mount the amplifier on cardboard or plastic panels Doing so may enable the screws to pull out from the panel due to road vibrations or sudden vehicle stops 8 Connect the source signal to the amplifier by plugging the RCA cables into the input jack s at the amplifier If using Balanced Line Inputs refer to page 24 9 Connect the speakers Strip the speaker wires 5 8 and insert into the appropriate terminal on the amplifier Insert the bared wire into the speaker terminal and tighten the set screw to secure into place Be sure to maintain proper speaker polarity DO NOT chassis ground any of the spea
27. bal elo MIE So mo Speaker 0 180 Bal EZ 180 0 L E Pass O O Bridged Thru L R Speaker Speaker Terminal Terminal RCA input is connected to L Mono input Signal Input Switch to Unbalanced for RCA input Left Phase Switch at 0 Right Phase Switch set to E Z Bridge for the following to occur L Mono RCA input to drive both the left and right channels Left Gain will control both the left and right channels Right Phase will be inverted 180 which will allow the bridged woofer to operate correctly Impedance for bridged channel should be 42 minimum XCardisin the High Pass Low Pass or Full Range position 18 USING THE 250 2 SIGNAL SWITCHING NETWORK The Punch 250 2 Power amplifier has a crossover switching network which enables you to Audiophile Bypass the 250 2 and Pass Thru Configure a 12dB per octave filter for both 250 2 and Pass Thru Audiophile Bypass the 250 2 and configure a 12dB per octave filter for the Pass Thru Configure a 24dB per octave filter for the 250 2 and Audiophile Bypass the Pass Thru Configure a 12dB per octave bandpass filter for the 250 2 and Audiophile Bypass the Pass Thru The crossover switching network allows the crossover to be distributed to the amplifier and Pass Thru in many different configurations The orientation of both switches configure the distribution pattern to where the crossover signal will be routed rock
28. ded to the main body or chassis of the vehicle MOUNTING LOCATIONS The mounting location and position of your amplifier will have a great effect on its ability to dissipate the heat generated under normal operation The design of our cast aluminum heatsink serves to easily dissipate the heat generated over a wide range of operating conditions However to maximize the performance of your amplifier care should be taken to ensure adequate ventilation Trunk Mounting Mounting the amplifier vertically on a surface with the fin grooves running up and down will provide the best cooling of the amplifier Mounting the amplifier on the floor of the trunk will work but provides less cooling capability than vertical mounting Mounting the amplifier upside down to the rear deck of the trunk will not provide proper cooling and will severely affect the performance of the amplifier and is strongly not recommended Passenger Compartment M ounting Mounting the amplifier in the passenger compartment will work as long as you provide a sufficient amount of air for the amplifier to cool itself If you are going to mount the amplifier under the seat of the vehicle you must have at least 1 2 54cm of air gap around the amplifier s heatsink Mounting the amplifier with less than 1 2 54cm of air gap around the heatsink in the passenger compartment will not provide proper cooling and will severely affect the performance of the amplifier and is strongly not
29. ducts and Rockford wearables pleasecall 602 967 3565 or FAX 602 967 8132 For International orders FAX 001 1 602 967 8132 or call 001 1 602 967 3565 PRACTICE SAFE SOUND CONTINUOUS EXPOSURE TO SOUND PRESSURE LEVELS OVER 100dB MAY CAUSE PERMANENT HEARING LOSS HIGH POWERED AUTOSOUND SYSTEMS MAY PRODUCE SOUND PRESSURE LEVELS WELL OVER 130dB Use COMMON SENSE AND PRACTICE SAFE SOUND If after reading your manual you still have questions regarding this product we recommend that you see your Rockford Fosgate dealer If you need further assistance you can call us direct at 1 800 795 2385 Besureto have your serial number model number and date of purchase available when you call The serial number can be found on the outside of the box Please record it in the space provided below as your permanent record Thiswill serve as verification of your factory warranty and may become useful in recovering your amplifier if it is ever stolen Serial Number Model Number TABLE OF CONTENTS Introduction baia ei ei 1 Punch ege 1 Technical Design Features cui Bie ELE 2 250 2 ID Dr ll 5 250 1 Design Features andre ia ia e dot near a ri d 7 Installation Consideras cisne dada 9 Mounting Locations 10 Battery and Chad n iii gela iaia anale line 10 WI rno the SY EE 11 Using Passive CROSSOVENS sisi LLL ica 12 Table of Crossover Components isir nenn ihn 13 USING Me OS ldo usu s ii 14 Customizing the XC ard EE 14 XCard Resisto
30. e shielded twisted pair conductors Balanced Differential inputs only amplify the difference between two con li P I li rtinstallati h thest d ductors N ote the noise spikes appear on both thecenter conduc Ine Isuniversal In concertinstallatonsw nere the stage an tor and the outer shield and therefore are not amplified mixing consoles are hundreds of feet apart Long signal cables and electrically noisy environments make signal integrity and noise rejection an extremely difficult challenge THE RESULT Quiet transmission of audio from source to amplifier NOMAD NOn Multiplying Advanced Decision The Power amplifiers use an analog computer process to absolutely maximize safe output power under all operating conditions The innovative NOMAD NOn Multiplying Advanced Decision system is the most sophisticated version of this technique ever used bringing previously unavailable levels of accuracy stability temperature immunity and reliability to this critical process NOMAD makes advanced decisions based on device voltages to precisely control the awesome levels of currentavailable in the output M O SFETs to safe values but only when absolutely needed THE RESULT Extremely fast protection system that always protects the amplifier and never degrades the sound MOSFET Devices Metal O xide Semiconductor Field Effect Transistor Rockford Fosgate is one of the few manufacturers in any of the sound communities to utilize MOSFET devic
31. erience by listening your Punch amplifier isa GREAT AMPLIFIER _ 46 250 2 SPECIFICATIONS Dynamic Power Rating IHF 202 Standard Measured at 14 4V Per channel into a 4Q load 180 Watts Per channel into a 2Q load 310 Watts Bridged into a 4Q load 620 Watts Continuous Power Rating Competition Standard M easured at 13 8 Battery Volts RMS continuous power per channel both channels driven into a 4Q load from 20 to 20 000Hz with less than 0 05 THD Total Harmonic Distortion 125 Watts RMS continuous power per channel both channels driven into a 2Q load from 20 20 000Hz with less than 0 10 THD 225 Watts RMS continuous power mono into 42 load from 20 20 000Hz with less than 0 1 THD 450 Watts Common Mode Rejection Ratio CMRR Signal to N oise Ratio Frequency Response Bandwidth Damping Factor 4Q at output connector Slew Rate IM Distortion IHF Input Impedance Input Sensitivity B Fuse Size External to amplifier Fuse Type Crossover Alignment Factory Crossover Frequency Factory Default Crossover Setting Dimensions including end caps Specifications subject to change without notice Typically 40dB gt 100dB A weighted 20Hz 20 000Hz 0 5dB 10Hz 250kHz 3dB gt 200 50V us lt 0 05 20k Ohms Variable from 300mV to 5V Preset at the factory for 500mV 60 Amp ortwo 30 Amp AGU Maxi Fuse 12dB or 24dB octave Butterworth 80Hz 0 047uf Full Range 9 5 8 W x 14 9 32 L x
32. ers a limited warranty on Rockford Fosgate products on the following terms Length of Warranty 3 years on electronics 2 years on source units 90 days on electronic B stock receipt required 30 days on speaker B stock receipt required W hat is Covered This warranty applies only to Rockford Fosgate products sold to consumers by Authorized Rockford Fosgate Dealers in the United States of America or its possessions Product purchased by consumers from an Authorized Rockford Fosgate Dealer in another country are covered only by that country s Distributor and not by Rockford Corporation W ho is Covered This warranty covers only the original purchaser of Rockford product purchased from an Authorized Rockford Fosgate Dealer in the U nited States In order to receive service the purchaser must provide Rockford with a copy of the receipt stating the customer name dealer name product purchased and date of purchase Products found to be defective during the warranty period will be repaired or replaced with a product deemed to be equivalent at Rockford s discretion W hat is Not Covered 1 Damage caused by accident abuse improper operations water theft 2 Any cost or expense related to the removal or reinstallation of product 3 Service performed by anyone other than Rockford or an Authorized Rockford Fosgate Service Center 4 Any product which has had the serial number defaced altered or removed 5 Subsequent damage to other com
33. es in both the power supply and the output stages MO SFET Metal O xide Semiconductor Field Effect Transistor devices offer several important inherent advantages over the 30 year old technology of bi polar design These advantages include thermal stability switching speed ultra low output impedance and wider bandwidth linearity In addition MO SFET and vacuum tubes share many important operating characteristics However the MOSFET device is much faster wider in bandwidth measurably lower in distortion and far more linear than vacuum tubes THE RESULT Operational characteristics of vacuum tubes without the performance limitations of tube design ITS increased Thermal Stability The ITS Increased Thermal Stability Power Supply design is new in Rockford Fosgate amplifiers A major problem associated with any amplifier design is how to get rid of the heat generated by its circuitry Clearly it is highly desirable to minimize the amount of heat generated in the first place The 250 series Power amplifiers employ anew toroidal power transformer design in which the high current input leads are carried directly to the switching power MOSFETs This both minimizes PC board heating and takes advantage of natural air cooling of these leads THE RESULT Maximizes power supply efficiency by eliminating unnecessary heat generation 250 2 DESIGN FEATURES 1 Cast Aluminum Heatsink The cast aluminum heatsink of the Punch Power amplifier dis
34. ese gold plated connectorsareimmuneto corrosion thatcan causesignal deterioration 4 Power Terminals The dual power and ground connectors on the Punch Power amplifier are gold plated and will accommodate up to two 8 AWG wires maximizing the input current capability of the amplifier 5 REM Terminal This gold plated spade terminal is used for the AP auto power or remote turn on ofthe Punch 250 1 Power amplifier 6 RCA Input Jacks The industry standard RCA jack provides an easy connection for signal level input They are gold plated to resistthe signal degradation caused by corrosion 7 Summed Stereo Mono Switch This switch is used to select whether 1 or 2 signal inputs will be used to drive the amplifier 8 Pass Thru RCA Jacks The Pass Thru provides a convenient source for daisychaining an additional amplifier This eliminates the need for additional RCA cables or Y adapters The Pass Thru outputis Full Range only 9 Input Sensitivity Control The input level control is preset to match the output of most source units Itcan be adjusted to match output levels from a variety of source units i 10 11 12 13 14 Internal Crossover This built in crossover card is configurable for a multitude of operating frequencies The orientation of the card in its socket determines the function of high pass low pass or full range operation Phase Switch This switch enables you to easily invert the phase
35. ficateur dansl habitacle ne pose aucun probl me du moment qu il y aitassez d air pour le refroidir Si vous montez l ampli en dessous de si ge pr voyez 3cm d air autour du radiateur Installation Pour votre s curit d connectez la borne n gative de la batterie du v hicule avant de commencer l installation Terminal B Il est imp ratif qu il y ait un fusible sur le c ble d alimentation positif le plus pr s possible de la borne maximum 30cm Pr parez les extr mit s du c ble et installez le porte fusible sous le capot Les connexions doivent tre tanches Terminal GND Pr parez une longueur de c ble pour la connexion la masse Pr parez le ch ssis en grattant la peinture de la surface m tallique et nettoyez la salet et l huile Attachez le c ble au ch ssis avec une vis Terminal REM Connectez le fill REM une commande 12 volts positive de la source La commande 12 volts est habituellement prise sur la sortie antenne lectrique de la source ou la commande accessoire Si la source ne dispose pas de ces sorties nous vous recommandons d installer un interrupteur qui fournira un positif 12 volts au REM de l ampificateur 53 SIVINVyJ O p ration st r o mono Tri mode Unbal E E CH Speaker 0 180 Bal L we EZ 180 0 Speaker Bal i Pas Input Bridged UN RE Thru R Gain 2Q min 2Q min ER Speaker Speaker Terminal Terminal
36. ford fosgate punch 250 2 AMPLIFIER 125 Watts X 2 into 4 Ohms with less than 0 05 THD N from 20 20kHz 225 Watts X 2 into 2 Ohms Amplifier Pass Thru with less than 0 10 THD N from 20 20kHz High Pass amp Amplifier Amplifier ROCKFORD CORPORATION MADEIN THE USA gt Bridging Note The Punch 250 2 can be 2 eal Bu bridged in many configurations Refer to your owner s manual to determine which mode will work best in your system XCard O ptions XCard 2 Audiophile Bypass I v Not Used Not Used lt Audiophile Bypass Not Used Amp Only Pass Thru XCard 1 Full Range ce 19 Audiophile Bypass as it affects the output of the 250 2 and Pass Thru XCard not required Unbal ele MO CT IE nd SPAS Ble Bal EZ 180 0 Speaker ege 3 Pass sa Input Bridged Rt Thu L Gain Gain Full Range Full Range Full Range 250 2 bypasses the circuitry of XCard 1 and XCard 2 Pass Thru bypasses the circuitry of XCard 1 and XCard 2 The 250 2 and Pass Thru are in Audiophile Bypass mode which maintains signal integrity resulting in a better sounding amplifier The XCards do not need to be inserted to allow the 250 2 or Pass Thru to operate 20 Configure a 12dB per octave filter for both the 250 2 and Pass Thru
37. g screws 9 64 allen 1 Allen wrench 3 32 1 Allen wrench 9 64 6 4 1 1 Speaker power connector screws 3 32 allen End cap mounting screws 9 64 allen Allen wrench 3 32 Allen wrench 9 64 2 A a t pmi A A a mes TECHNICAL DESIGN FEATURES Many of the solutions to common design problems encountered by Rockford Fosgate engineers created entire new circuit designs as well asnew waysto constructthe Punch 250 2 and 250 1 Power Amplifiers In ourflagship amplifiers no expense was spared in design and construction from the unique circuitry design to the manufacturing processthathas proven to be the industry reference for many years D escribed below arejustsome of the accomplishments achieved by our engineering and manufacturing staff transe nova TRANSconductance NO dal Voltage Amplifier The trans nova TRAN Sconductance NO dal Voltage Amplifier isa patented circuit U S Patent4 467 288 that allowsthe audio signal to pass through the amplifier at low voltage Each amplifier channel utilizesits own fully floating power supply and is configured to increase power gain The increase in power gain allows the drive stage to operate at a lower voltage A low voltage drive stage is the same principle used in high quality preamplifiers to produce high linearity and wide bandwidth transe nova circuitry The resulting design utilizes an output stage with a simpler gain structure and a shorter total s
38. hat level is considered unusable Many manufacturers represent their amplifiers output power in excess of 10 distortion They use many names for this measurement such as Total M aximum Power or Maximum Output Power Thisis not indicative of the actual usable output power Listening to Loudspeakers N ot Resistors A loudspeaker is nota resistor A resistor s value resistance measured in ohms is fixed A loudspeaker s impedance isdynamic Itisconstantly changingin value dependentupon the frequency oftheinputsignal Therefore measuring powerwith the amplifierloaded into a 4 ohm resistor is notthe same as measuring power with the amplifierconnected to a 4 ohm speaker Most people do not listen to music through a resistor A 4 ohm speaker may experience a drop in impedance 4 6 times lower than itsnominal printed impedance A speaker will also create phase shifts in the signal that is passed through it These phase shifts happen because a speaker is an inductor voice coil and a capacitor compliance of the surround spider as well as a resistor voice coil wire To simulate a speaker the Audio Graph PowerCube measures output power into 20 differentloads It tests at 8 ohms 4 ohms 2 ohms and 1 ohm Each of these impedances is also tested at 60 30 0 30 and 60 phase angles These differentimpedances and phase angles representthe shifts in impedance and phase that can occurin atypical loudspeaker Information Cubed The data acqu
39. ial environment of the entire input structure or zone of the amplifier This process improves the noise rejection of the amplifier by 30 40dB an astounding 20 100 times better than amplifiers without TO PAZ THE RESULT Elimination of troublesome ground loop noise between source and amplifier e DSM Discrete Surface Mount Technology The DSM Discrete Surface Mount manufacturing process combinesthe advantages of both discrete components and integrated circuitry Rockford Fosgate is the only American amplifier manufacturer to have invested millions into this process DSM components differ from conventional discrete components in different ways They are more compact more rugged and they efficiently dissipate generated heat Using them wherever appropriate allows the advantages associated with discrete circuitry to be retained while also providing room for both highly advanced processing features and generous PC board copper paths where needed Their short lead out structures allow maximum audio performance and highest signal to noise ratios to be obtained in amplifiers of desirable package size without resorting to amplifier on a chip shortcuts These advantages are shown below in Figure 1 Figure 1 Component Solder Solder PC Board y PC Board Thru Hole Surface M ount THE RESULT Less connections improved reliability shorter signal paths superior signal to noise ratio and awesome sonic performance
40. ignal path than conventional high voltage bi polar designs The number of stages is reduced from five or more to three The output stage is further refined into a trans impedance stage currentto voltage converter to achieve a shortloop fast negative feedback The output stage is driven cooperatively by a transconductance stage voltage to current converter THE RESULT Superior sound quality greater efficiency and higher reliability DIABLO Dynamically Invariant A B Linear O peration DIABLO Dynamically Invariant A B Linear O peration patent application in process is an important advance in circuit design which reduces high frequency distortion Amplifiers which utilize a large array of output MO SFETscause a high capacitive load on the driver stage Thisload can make the high frequencies sound harsh The DIABLO circuit eliminates high frequency distortion by allowing the driver to operate with 20dB or more of current headroom whereas traditional drives have only 6dB of current headroom THE RESULT Lower distortion and greater inherent stability TO PAZ Tracking Operation Pre Amplifier Zone The TOPAZ Tracking O peration Pre Amplifier Zone circuitry solves ground loop noise problems common to automotive amplifier design This innovative new development allows vastly improved isolation of the input signal grounds from the power supply ground ofthe amplifier Thisis accomplished by allowingthe source unit to control the potent
41. io SYSTEMS Preface All audio systems exhibit noise however if the level of noise is low enough and the signal level high enough noise should not be a problem This means that it is very important that the signal level throughout the system be optimized BEFORE dealing with your noise problem Using a scope or a small portable amplifier and Track 99 1kHz at all high bits of Rockford Fosgate CD RF CD101 Autosound 2000 s CD 101 or Tracks 24 through 29 of Rockford Fosgate CD RF CD 102 Autosound 2000 s CD 102 adjust the system so that when the maximum usable signal level of the deck is fed into the system all the preamp level components clip atthe same time However we recommend up to as much as a 3 1 voltage overlap with the power amplifiers i e an amplifier with a 2 volt minimum sensitivity can be driven by up to 6 volts of signal Noise O verview Car audio electrical accessories are notorious for interfering with car audio systems The interference commonly arises from three areas 1 Power line noise 5 which can be attenuated with in line noise filters 2 Inadequate power supply isolation 45 which can be cured with transformer signal coupling additional isolated power supplies or changing out components or 3 Inductive interference 45 including loop area inductive noise picked up by the signal cables which can be remedied by relocating or rewiring components rerouting signal cables or using twisted cable or ba
42. ired in the testing procedure is then graphed in the form of a 3 dimensional Audio Graph The PowerCube cube hence the name PowerCube WODELBENG votrAGEFROM BATTERY MONO a BRIDGED MONO Ne The Phase Angleisexpressed on the horizontal Amplifier PUNCH 200 2 14 4V x 2 Rated Power 100 W 4 Ohms axis the Output Voltage is presented on the EE vertical axis and the Impedance is displayed on the Z axis Output Power in watts is listed on the left hand side for each impedance at each phase angle 80 60 85 W W hat is an Amplifier An amplifier by definition is a voltage generat ing device recreating the signal which isinput to itidentically but with increased volume It will be connected to a reactive load the speaker Theimpedanceofthisload and phase of the signal passing through the load will vary dependent upon the frequency of the input signal music OUTPUT VOLTAGE u lt a w a PHASE ANGLES Example of a Punch 200 2 PowerCube Therefore a perfect amplifier will be able to maintain the same output voltage regardless of load characteristics and will not alter the signal itis reproducing A perfect amplifier when measured by the Audio Graph PowerCube would present data that formsa perfect cube U nfortunately amplifiers are not perfect The laws of physics generally prevent it A great amplifier is about the best one can hope to attain As you can see by the PowerCube and as you will exp
43. kenbetrieb sollte minimum 4 Ohm betragen XCard sollte auf Full Range gesteckt werder Passive Frequenzweichen werden f r korrekte Stereo M ono Operationen ben tigt 56 PREG O LEGGERE LE SEGUENTI ISTRU ZIO NI PER L INSTALLAZIONE DI QUESTO PRODOTTO ILNON SEGUIRLE PO TREBBE RISULTARE SERIAMENTE DANNOSO PER LA PERSO NA O PER IL VEICOLO INTRODUZIONE La serie 250 Power rappresenta il massimo che Rockford Fosgate ha da offrire nostri ingenieri hanno sviluppato delle innovazioni tecnologiche che per altri costruttori sono considerate fantascienza ma non per Rockford Fosgate Transe nova DIABLO e TOPAZ esclusivamente progettati da Rockford sono solo alcune delle innovazioni descritte nella sezione specifica del manuale Il 250 2 un amplificatore a due canali ottimizzato per pilotare carichi di 2Q stereo e di 4Q in mono Il 250 1 un amplificatore ad un canale mono ottimizzato per pilotare carichi di 20 singolo amplificatore o di 40 a ponte due amplificatore ponticellati funzionanti sullo stesso sistema di altoparlanti La serie 250 impiega tutte le pi innovative tecnologie proprie di Rockford per ottenere una superba qualit timbrica grande affidabilit ed elevatissima potenza su carichi molto bassi Tutto questo di grande beneficio per le auto che ambiscono a vincere le gare Dove PosizioNARLO Nel Bagagliaio Montando l amplificatore su una superficie in verticale con le alette direzionate dall alto
44. ker leads as unstable operation may result 11 10 Perform a final check of the completed system wiring to ensure that all connections are accurate Check all power and ground connections for frayed wires and loose connections which could cause problems from road vibrations 11 After the final inspection is complete install the power fuse and enjoy listening During the initial listening period you may need to fine tune any phasing and level settings within your particular vehicle To aid in this procedure play a track with high musical content and cruise around your neighborhood After fully evaluating the transient response of your system and making any final adjustments all your neighbors within al mile radius will assume that you have just successfully completed another upgrade to your audio system for which they will probably spill thumbtacks on your driveway NOTICE Amplifiers using the transe nova topology improve in sound quality after warming up We recommend operating the 250 2 and 250 1 for approxi mately 15 minutes prior to evaluation under judging criteria or tune ups to establish its normal operating temperature Your friends will call it MAGIC you can call it Rockford technology USING Passive CROSSOVERS A passive crossover is a circuit that uses capacitors and or coils and is placed on speaker leads between the amplifier and speaker The crossover delegates a specific range of frequencies to the
45. lanced trans mission systems Autosound 2000 1 2 3 Method of Logical Troubleshooting I MUTE THE AMP S Insert a muting plug shorted male RCA connector into each amplifier channel Turn up the amp sensitivity Start the car and turn on the headlights air conditioning brake lights etc Listen for noise in each speaker Be very picky here A If still noisy substitute a small test speaker with short leads for the speakers crossovers and speaker leads in the car If still noisy substitute an isolated power supply 120 VAC to 13 8 VDC bench supply or a small motor cycle battery for the car s alternator If the amplifier is noisy with the test speaker you have a BAD amp Send itin It really doesn t matter if it is quiet or noisy while running on the isolated supply because you have a BAD amp Send it in for repair and if it was quiet on the isolated supply indicate so on the repair tag B If your muted amp is quiet you ve just joined 99 5 of car audio Amps are usually very clean and do NOT pick up unwanted noise Continue on to Step II Il DECKTO AMP Using a new set of signal cables connect one channel from the output of the deck directly into one channel of your clean amp Run the cables outside the car and as far away as possible from the metal of the car For noise purposes consider a 2 thick cushion of electromagnetic energy emanating from every metal surface in the car A If still noisy congratulations in all probabili
46. ld have the deck playing quietly with the amp with the quiet cables quietly routed So it s time to add the signal processors one at a time back into the system Simply repeat Steps Il and III with the equalizer then the electronic crossover etc However before MOVING THE SIGNAL PRO CESSO RS to the amplifier we highly suggest that you power the noisy process from an isolated power supply rather than the car s 12 volts DC and chassis ground Make sure to also connect the turn on lead to the isolated power supply If the processor is now quiet then itis highly probable that the component has inadequate isolation Solutions include changing components or permanently adding an external isolated power supply Call Autosound 2000 at 209 465 3450 for info on isolated power supplies Summation During the design stage of your vehicles try to avoid using extra batteries and high output alternators Extra batteries are nothing but loads as soon as the engine is started and high output alternators usually make more noise than stock alternators Also extra batteries installed in the trunk of a car will ALWAYS force extra ripple currentto flow overthe car Install Stiffening Capacitors as close to the power supply input of your amplifier as possible The big caps will feed the switching power supplies of your amps and minimize the inductive losses in your power wiring Plus they will help your peak system response In problem cases we highly recomme
47. lternator battery fuse and wiring and repair as necessary If the voltage is above 15 5 volts have the electrical system inspected by an au thorized car service center Check the alternator battery fuse and wiring and repair as necessary If the voltage is above 15 5 volts have the electrical system inspected by an au thorized car service center Check wiring and repair as necessary Check connections substitute with known working source and cables and repair or replace as necessary Check connections substitute with known working BLT and cables and repair or replace as necessary Check switch position and correct as necessary Check signal speaker wiring and left channel phase selection installation and correct as needed Check crossover switches and XCard positions and repair or replace as nec essary Disconnect existing speakers and test with known workingspeakersand wires Ifamplifier plays check and repair wir ing and installation of speakers as nec essary Disconnect existing speakers and test with known working speakers If ampli fier plays check and repair speakers as necessary Symptom Diagnosis Speaker O utput Low or Distorted Amplifier Noise Turn on Pop No output from Pass Thru output of amplifier Input gain s for amplifier incorrectly set Source unit output too low or source unit has no output Phase selection ofamplifierincorrectly selected or speakers wired
48. motor si la bateria estuviera alli ubicada Recuerde que toda la instalaci n debe ser impermeable Terminal GND Masa o negativo Prepare un trozo de cable para usarlo como toma de masa Prepare el chasis rascando toda la pintura y suciedad que pudiera haber hasta dejar la chapa viva Conecte el chasis a masa con un tornillo Terminal REM Remoto Conecte el terminal REM a un punto de 12V con interruptor Normalmente se usa la salida Remote o de alimentaci n de antena del Radio Cassette Si el Radio Cassette no la tuviera o no estuviera disponible se recomienda tomar de la caja de fusibles 12V y colocar un interruptor para asi activar el amplificador 51 10 O peraci n mono est reo Unbal WIR D eaker 0 180 Bal ve I EZ 180 09 speaker R Bal S Bridged S Pass Input ev Thu L R Gain 2Q min 2Q min ES Speaker Speaker Terminal Terminal 4Q min Los conectores de entrada RCA se conectan a ambos canales derecho e izquierdo El conmutador de se al de entrada se colocara en Unbalanced para las entradas RCA El conmutador de fase del canal izquierdo estar en 0 grados El conmutador de fase del canal derecho estar en 180 grados cuando se requiera operaci n mono est ro La ganancia de los dos canales derecho e izquierdo deber n ser exactamente iguales para balancear correctamente el subgrave La impedancia minima para cada canal es de 2
49. nd the use of twisted pair cable rather than coaxial cable for RCA leads This practice will greatly minimize cable induced noise especially in four channel amps Don t forget that your system is only as good as its worst component Do NOT use components with inadequate power supply isolation or you will be asking for problems The best electrical ground on a car is the CHASSIS of the car Do NOT run ground leads up to the case of the alternator or the negative battery post Keep ALL ground leads as short as possible With properly isolated components itdoes NOT matter where the componentis grounded We re sorry to say that with inadequately isolated components it matters With poorly isolated components different grounds can cause different noises The deck is the signal reference ground for the entire sound system The deck usually has THREE connections to the car s chassis The black ground lead the base of the antenna and the metal to metal bond between the case of the deck and the chassis of the car With three grounds there is usually NO cause to worry about the ground of a deck Amplifiers are usually designed with adequate power supply isolation This means that it should not matter where a deck is grounded Decks are grounded three times and amps float This is car audio The more components installed on a signal path the more chances for noise to enter a system The more electrical accessories on a car the more noise will be p
50. os exclusivos de Rockford Fosgate son solo algunas de las mas sobresalientes innovaciones que describimos con mas detalle en el capitulo de Caracteristicas T cnicas de Dise o en este mismo manual El 250 2 esun amplificador de dos canales optimizado para funcionar con cargas de 2 en estereo y 4Q en mono El 250 1 es un amplificador de un solo canal optimizado para trabajar con cargas de 242 un solo amplificador o 4Q dos amplificadores puenteados en un solo canal La Serie 250 utiliza las tecnologias innovadoras de Rockford para conseguir una impresionante calidad de sonido funcionamiento duradero y alta potencia de salida sobre bajasimpedancias Todo esto son ventajas para los vehiculos de competicion UBICACI N DE LOS AMPLIFICADORES Maletero Monte el amplificador vertical con las altas de refrigeraci n de arriba a abajo Es el m todo correcto para asegurarse la m xima disipaci n de calor Habit culo El amplificador montado en el habit culo funcionara bien en la medida en que se le proporcione ventilaci n suficiente para refrigerarse Si piensa en montarlo debajo de un asiento deber dejar como minimo un espacio de 3cm alrededor del refrigerador Instalaci n Por seguridad desconecte el cable de masa de la bateria antes de empezar la instalaci n Terminal B El cable de alimentaci n deber tener un fusible como m ximo a 30cm de la bateria Prepare los terminales del cable e instale el portafusibles en el vano
51. outof polar ity from the left to right channel XCards are missing or not placed prop erly in crossover slots and or switches are not properly selected Low battery voltage or large voltage drops to the amplifier under load Voltage spike from output of preceding component is entering amplifier through input signal Voltage spike from remote turn on lead is entering through REM input termi nal RCA Input from source unitis not con nected or not functioning properly When using the BLT Balanced Line Input from BLT isnotconnected or not functioning properly Unbalanced Balanced Line switch is not selected for corresponding input XCards are missing ornot placed prop erly in crossover slots 42 Readjust input gains of amplifier Check system with known working source and repair or replace original source as needed Check speaker polarity and phase switch position and correct as needed Check crossover switches and XCard positions and repair or replace as nec essary Check the alternator battery fuse or circuit breaker and power and ground wiring and repair as necessary Disconnect input signal to amplifier and turn amplifier on and off If noise is eliminated connect REM lead of am plifier to source unit with a delay turn on module Use different 12 volt source for REM lead of amplifier i e battery direct If noise is eliminated use relay to isolate amplifier from noise turn on output
52. ovides a convenient source for daisychaining an additional amplifier This eliminates the need for additional RCA cables or Y adapters One of the internal crossovers can be designated to the Pass Thru output creating a dedicated low pass high pass or full range output 10 11 12 13 14 15 16 17 Input Sensitivity Controls The input level controls are preset to match the output of most source units They can be adjusted to match output levels from a variety of source units Internal Crossovers These built in crossover cards are configurable for a multitude of operating frequencies The orientation of the card in its socket determines its function of high pass low pass or full range operation E Z Bridge Switch 0 180 Phase Switch This dual purpose switch enables you to E Z bridge the amplifier or invert the signal phase of the right channel Phase Switch This switch enables you to easily invert the phase of the left channel without having to disconnect the speaker wires Crossover Switching These internal switches allow the crossover to be distributed to the amplifier and Pass Thru in many different configurations Audiophile Bypass O ne of the crossover switching configurations allows the internal crossover circuit to be bypassed maintaining Audiophile sound quality due to a shorter signal path LED Power Indicator The LED gives a visual indication of the status of the amplifier
53. ponents 6 Any product purchased outside the U S 7 Any product not purchased from an Authorized Rockford Fosgate D ealer Limit on Implied W arranties Any implied warranties including warranties of fitness for use and merchantability are limited in duration to the period of the express warranty set forth above Some states do not allow limitations on the length of an implied warranty so this limitation may not apply No person is authorized to assume for Rockford Fosgate any other liability in connection with the sale of the product How to Obtain Service Please call 1 800 669 9899 for Rockford Customer Service You must obtain an RA Return Authorization number to return any product to Rockford Fosgate You are responsible for shipment of product to Rockford Ship to Electronics Rockford Corporation Warranty Repair Department 2055 E 5th Street Tempe AZ 85281 RAF 49 Ship to Speakers Rockford Acoustic D esign Receiving speakers 609 Myrtle N W Grand Rapids MI 49504 RA LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIONES DE INSTALACI N DEL PRODUCTO EVITARA POSIBLES DANOS A VD AL VEHICULO O AL PRODUCTO INTRODUCCI N Losamplificadoresde la serie 250 representan lo ultimo y mejor que Rockford Fosgate puede ofrecerle Muchas soluciones que nuestros ingenieros han inventado serian consideradas absolutamente desproporcionadas por nuestra competencia NO EN ROCKFORD FOSGATE Trans nova DIABLO y TO PAZ dise
54. r Casciari E lei 15 250 2 A A aeaa AN Aa 16 Using the 250 2 Internal Switching Network cee etee eects ences eee ana aeaa aaaea iaaa 19 Using Mr EREECHEN 24 250 1 EE Ee ET 26 Using the 250 1 Internal Switching Network eee a aaa aa aaiae aa 31 System DiagramS s tas ada o 34 Rockford Fosgate Accessorlesuuu u uu a pass a aiar 38 Troubleshooting ee ea is ds 41 Autosound 2000 s Quick Check for Troubleshooting Vs 44 250 2 Specifications iii einen 47 25011 eg Meel EE 48 Warranty Information sn ta adenetenateei astarn cued aai aeaa daia E 49 International IO MON misa era te net ue 50 GETTING STARTED Welcome to Rockford Fosgate This manual is designed to provide information for the owner salesperson and installer For those of you who want quick information on how to install this product please turn to the Installation section of this manual or refer to the icons listed below Other information can be located by using the Table of Contents We at Rockford Fosgate have worked very hard to make sure all the information in this manual is current But as we are constantly finding new ways to improve our product this information is subject to change without notice PA TROUBLE A 50 90 000 Sections marked ADVANCED OPERATION include in depth technical information Sections marked INSTALLATION include slam dunk wiring connections Sections marked TROUBLESHOOTING include recommendations
55. re Beschreibungen finden sie in dieser Gebrauchsanweisung unter Technical Design Features Die 250 2 ist ein 2 Kanal Verst rker der an einer last von 2 O hm Stereo und Mono gebr cktan 4 O hm optimale Leistungzeigt Die250 1 isteine Endstufe die optimal an 2 O hm arbeitet singleamp oderbeim Zusammenschlie en von zwei Verst rkern ein Paar 250 1 gebr ckt an eine Lautsprecherlast an 4 O hm Die 250 zieger Serie verwendet Rockford sinnovative Technologien f reinzigartige Klangqualit t zuverl ssige Arbeitsweise und unendliche Leistung an niedriger Impendanz Ihr Vorteil beim Bau von ernstzunehmenden W ettberwerbs Fahrzeugen EINBAUORT EEEE E E SS Im Fahrzeugkofferraum Der vertikale Einbau der Endstufen das bedeutet da die K hlrippen von oben nach unten verlaufen gibt dem Verst rker die beste K hlung Auf der Beifahrerseite Sollte der Verst rker auf der Beifahrerseite montiert werden so ist es sehr wichtig f r eine ausreichende K hlung zu sorgen Sollte der Verst rker z B unter dem Beifahrersitz montiert werden sollte dem K hlk rper mindestens ein Luftspalt von 3cm bleiben um so f r eine ausreichende K hlung zu sorgen Einbau Zur Sicherheit klemmen Sie den Negativ Pol der Batterie w hrend des gesamten Einbaues ab B Anschluss DiePlus Leitung mu ca 40cm nach dem Plus Pol der Batterie abgesichert sein Preparieren Sie die Kabellangen und montieren Sie den Sicherungshalter im M otorraum ALLE Verbindungen m
56. roduced by the alternator This information was compiled from more than 20 years of working in car audio If you would like more information on this topic or any other technical aspects of car audio please call 800 548 8200 and ask for a subscription to Autosound 2000 Tech Briefs the monthly magazine for the technically inclined 45 DYNAMIC POWER MEASUREMENTS About the Dynamic Power Measurements The Audio Graph PowerCubeis a test instrument used to measure the output of an amplifier in accordance with IH F 202 industry standards The IHF 202 standard is a dynamic power measurement and was developed as a means of measuring power in a manner that best represents the Real World operation of an amplifier M any manufacturers including Rockford Fosgate at times will measure amplifier power into a fixed resistor 4 ohm 2 ohm While this method is useful in some types of evaluation and testing itis not representative of an amplifier that is connected to a speaker and playing music Music Music is dynamic the sound waves are complex and constantly changing In order to simulate this the IHF 202 standard callsforthe inputsignal to the amplifierto be a 1kH z bursted tone Thissignal isinput on for20 milliseconds and reduced 20dB for 480 milliseconds The signal is gradually increased in level until the amplifier s output exceeds 1 Total Harmonic Distortion THD At1 distortion becomes audible therefore any power produced above t
57. s filter that limits the input signal below a certain motion below thatfrequency Atvery low frequencies a woofer has no output just motion If you try to drive this woofer at these lower frequencies the woofer could self destruct Please refer to the crossover section of the manual or see your local Authorized Rockford Fosgate Dealer for more information ROCKFORD FOSGATE ACCESSORIES 9 Balanced Line Transmitter FG BLT The Balanced Line Transmitter converts signal RCA cablesfrom the source unitto balanced signals The BLT improves sound quality in the system by eliminating noises generated by vehicle electrical systems The BLT is available for Rockford Fosgate products that offer a balanced input BALANCED LINE INPUT OUTPUT LED L R x Unbal ni oo mI m y CR 0 00 EZ 180 0 Speaker Speaker 0 180 Bal Bal i lt Bridged R yO Pass Input vo Thu L R A Gain Gain ATTENTION We recommend your Authorized Rockford Fosgate Dealer install your new accessory 38 9 Punch Status Display FG PSD The Punch Status Display is an LED array which monitors amplifier performance The PSD isa 2 channel monitor which has an indicator for Power three indicators for Signal Level sig max clip and an indicator for Thermal condition The display is designed to be stackable for multiple amplifier monitoring Punch Status Display
58. sipates heat generated by the amplifier s circuitry The inherent advantage of casting provides a 30 improvement of cooling over conventional extrusion heatsink designs 2 EndCaps The unique end capsconceal the wiring and input cables giving the amplifier a clean stealth look IG S mmm Speaker 0 180 Bal EZ 180 0 Speaker L R Gain Gain O RE y Dual B Dual GND Punch Status Display 3 Speaker Terminals The heavy duty gold plated terminal block connectors and will accept wire sizesfrom 8 AW G to 18 AWG These gold plated connectorsareimmuneto corrosion thatcan cause signal deterioration 4 PowerTerminals The dual power and ground connectors on the Punch Power amplifier are gold plated and will accommodate up to two 8 AWG wires maximizing the input current capability of the amplifier 5 REM Terminal This gold plated spade terminal is used for the AP auto power or remote turn on of the Punch 250 2 Power amplifier 6 RCAInputJacks The industry standard RCA jack provides an easy connection for signal level input They are gold plated to resist the signal degradation caused by corrosion 7 Balanced Line Input Thisinputwill allow the balanced inputs to be used in conjunction with the Punch 250 2 Power amplifier to provide better noise rejection 8 Signal Input Switch This switch allows selection of either the RCA or Balanced Line inputs 9 RCA Pass Thru Jacks The Pass Thru pr
59. sories especially electric motors Thisis done to prevent coupling the noise from radiated electrical fields into the audio signal W hen feeding the wires through the firewall or any metal barrier protect them with plastic or rubber grommets to prevent short circuits Leave the wires long at this point to adjust for a precise fit at a later time 3 Prepare the Power cable for attachmentto the amplifier by stripping ER 5 8 ofinsulation fromthe end ofthe wire The use of8 gauge power STE SS we mamaman 8 gt cable can interfere with the installation of the end caps Proper wire dress can prevent this from occurring To prevent the wire from fraying strip the insulation at a 45 angle Insert the bared wire into the B terminal with the long side of the insulation on the top Bend the cable down at a 90 angle Tighten the set screw to secure the cable in place We recommend using 2 8 gauge cables for power and for ground This will give you the best performance possible 4 Strip 3 8 from the battery end of the power cable and crimp a large ring terminal to the cable Use the ring terminal to connect to the battery positive terminal Do not install the fuse at this time 5 Prepare a length of cable to be used for the ground connection Strip 5 8 of insulation from the end of the cable as described above and connectto the appropriate terminal of the amplifier Prepare the chassis ground by scraping any paint from the metal surface
60. speaker for optimum driver performance A crossover network can perform one of three functions High Pass capacitors Low Pass inductors or coils and Bandpass combination of capacitor and coil The most commonly used passive crossover networks are 6dB octave systems These are easy to construct and require one component per filter Placing this filter in series with the circuit will reduce power to the speaker by 6dB octave above or below the crossover pointdepending on whether itisa high pass or low pass filter More complex systems such as 12dB octave or 18dB octave can cause impedance problems if not professionally designed Passive crossovers are directly dependent upon the speaker s impedance and component value for accuracy W hen passive crossover components are used in multiple speaker systems the crossover s effect on the overall impedance should be taken into consideration along with the speaker s impedance when determining amplifier loads D a 6 dB O ctave Low Pass 6 dB O ctave High Pass Speaker Impedance Hertz ET ES 6 dB O ctave High Pass and Low Pass Filters L Low Pass Inductor C High Pass Capacitor For more information see your Authorized Rockford Fosgate Dealer aiot USING THE XCARD The crossover functions are controlled through the use of an XCard and can be set for high pass low pass or full range operation The XCard shipped with your amplifier is set
61. stom crossover O O O 90 QD Cr Pass I HIN Pass x l q Pass FULLE eFul Range O U O U O ATTENTION We recommend your Authorized Rockford Fosgate Dealer install your new accessory 40 TROUBLESHOOTING Symptom Diagnosis Amplifier does not turn on Power LED is off Amplifier has no sound Power LED is on Voltage applied to the REM terminal of the amplifier is not between 10 5 and 15 5 voltsorthereisno voltage present Voltage to the B terminal ofthe ampli fier is not between 10 5 and 15 5 volts or there is no voltage present Amplifier is not properly grounded RCA Input from source unitis not con nected or not functioning properly When using the BLT Balanced Line Input from BLT is not connected or not functioning properly Unbalanced Balanced Line switch is not selected for corresponding input Amplifierisin E Z Bridge operation but incorrect signal input speaker wiring and or left channel 180 phase selec tion is chosen XCards are missing or not placed prop erly in crossover slots and or switches are not properly selected Speaker leads are shorted to each other or to the chassis of the vehicle Speakers are defective 41 TROUBLE e Y oz 0070 Check the a
62. tem rated 4 ohms Total Power Delivery RMS Tweeters 450 Watts Midrange 450 Watts 80Hz HP 80Hz HP TX 4183 PWR 14X 3kHz 20kHz TX 4183 18dB octave HP 3kHz 20kHz 18dB octave HP 80Hz 20kHz 80Hz 20kHz 24dB octave HP 24dB octave HP 34 500 Watt System rated 4 ohms Total Power Delivery RMS Tweeters 450 Watts Midrange 450 Watts W oofers 500 Watts Pass Thru Pass Thru 80Hz HP 80Hz LP TX 4183 TX 4183 PWR 14X TX 4183 z 3kHz 20kHz 3kHz 20kHz 18dB octave H P 18dB octave H P 80Hz 20kHz 80Hz 20kHz 12dB octave HP 24dB octave H P m 9 punch 250 1 TNA LA THA 30Hz High Pass used FA as a sub sonic filter 30Hz 80Hz 12dB octave BP RFR 1415 A sub sonic filter is a high pass filter that limits the input signal below a certain motion below that frequency Atvery low frequencies a woofer has no output just motion If you try to drive this woofer at these lower frequencies the woofer could self destruct Please refer to the crossover section of the manual or see your local Authorized Rockford Fosgate Dealer for more information 750 Watt System rated 4 ohms Total Power Delivery RMS Tweeters Midrange Midbass Woofers S e Pass Thru TX 4183 PIWR 14X PIWR 14X 3kHz
63. ty your equalizer electronic crossover DSP whatchamacallit are just fine This means that you can t get your deck playing quiet with your amp right Go to Step III B If all is quiet congratulations in all probability your deck and amplifier s are fine you obviously have a problem with your equalizer electronic crossover D SP etc Skip on down to Time for the Processors 44 III MOVE THE DECK If you re at this step it s time to turn your system into an amplified deck by temporarily relocating the deck right ON TOP of the clean amplifier Then using very very short signal cables connect the output of the deck into the input of the amp and test for noise Play a zero bit track silence and make sure all is completely quiet A Ifstill noisy you re in a heap of trouble We suggest that you try another deck and give us a call so that we can put your name into the record books It s a bad car audio day for you B If the deck is quiet then congratulations you re on your way to a successful installation It is now time to slowly methodically reinstall the deck back into its final position Test for noise each step of the way If the noise returns suspect the signal cables Forget shielding because it will have only a very minimal effect within the audio band We highly suggest using twisted pair cables or a balanced transmission system for cable induced noise Time for Processors By the end of Step III you shou
64. y storage capacitor Connect to B of battery with a 60 amp fuse Keep ground connections as close to each other as possible 26 Mono O peration RCA Input X O ver 0 180 Punch 24dB 12dB 0dB Status L R L Mono Display RCA Inputs CE Speaker 2Q minimum Signal Input Switch set to L R for RCA input Phase Switch set to 0 Impedance should be 20 minimum XCard can be set for High Pass Low Pass or Full Range x37 ZA O wnwju Lu ve Q sindul vou NAYL SSEd y MUL sed 7 Ke ds a ouow 1 4 7 smeg young SPO IPZT APrZ bO8ST 0 SAO CE meg a e e a sel abuey INJ 10 SSEd MO7 SSed Y IH JOLEe Bq UCI Joy duue yes 10 PX LUNUIIUILU TZ q PINOUS JYI due YdeS 104 zSuspockul oO 01335 Z T T OSZ UDS aseyd Gndu vou Suis 107 ouon 7 QPS Z TH T OSZ YMS Mdu Kafe LA O UUNUUU Lu ve Q sindul vou MUL SSEd y MULSSed 1 ouow 1 4 7 SPO APZT IPFZ LOBT 0 SON Em T CH 88 y 1 andul vou Sus uji CkuIV MO T OSZ UDUNA om busn uone RdO 02115 uo grado ououu o s dod JO p p u ale SBAOSSO1D SASSEd Sue ULI 0 Ee Z T T OSZ PDX w nwiunu Gr aq pinoys Puuey gt pobpuq 10 sauepeduu uunuuluku GZ BQ PINOUS jauueyo 02187 yes 10 souepeduu J9JOOMQNS au S gt uejeq Q j enba PS ZH E T OSZ UPD aseyd eubis 10 3221109 OI pU SI Joy due DU uo Auelod se yeads 008T 01395 2 T OSZ UMS seud 0

Rockford Fosgate 250.1 User's Manual

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