Phoenix Gold ZX475Ti User's Manual
Contents
1. ann mc Oe LPL44 lt Nes ca 1 48 A E O ar Sao Front Rear E d A eg pe I i tii n FRONT FREQ FREQ NPUT oUTPU 10 6 x10 S 0 18 6 2 6 2 0 18 RDDP The front crossover frequency control determines the Use the LPL44 to control the XS124 s volume from the XS62 s highpass frequency independently of the XS124 driver s seat and rear speakers For single preamp headunits set the internal select The rear crossover frequency control determines the switch to FRONT This allows signals from the front XS124 s lowpass frequency inputs to reach the rear crossover without the use of Y connectors The auxiliary outputs send full range signals to another amplifier Crece FRONT REAR AUXILIARY HIGHPASS LOWPASS BANDPASS XS62 front speakers 4 ohms per channel 160Hz highpass T E po 2 XS124 Subwoofer Sena 4 ohms bridged ane 80Hz lowpass 18 Boer tuo 214 6 XS84 midbasses 4 ohms per channel i 80 to 160Hz bandpass jj FRONT y REAR AUX FREQ FREQ INPUT OUTPUT INPUT INPUT FREQ LPL o contig 70 ud CONFIG eoe di o REAR FRONT 45 a a S00 BASS SENS ae Bass Oo 0 18 6 2 6 2 0 16 RDDP The front crossover frequency control determines the The auxiliary outputs send bandpass signals to another XS62 s highpass frequ2. ZX475 Web Manual September 7 1999 TABLE OF CONTENTS Features Specifications Operational Details System Design PowerFlow System System Design Examples Installation Mounting Installation Power amp Speaker Connections Installation Input Sensitivity amp Bass Adjustment Trouble Shooting Warranty Information rn Se De 03 04 05 06 07 08 15 16 17 18 19 20 21 FEATURES Se e TCCH Thermal Convection Cooled Heatsink This proprietary design uses a variable speed fan to ensure that the ZXT keeps its cool when the music gets hot High current Triple Darlington output stage This tried and true topology is the standard for outstanding dynamic peak output performance e TAIM Timed Acoustically Integrated Muting Ensures dead silent turn on amp off No clicks pops or buzzes e Tri linear capability allows simultaneous stereo and bridged operation Output current sensing allows the ZXT to automatically optimize the power supply and output stage to reliably operate at impedances as low as 2 ohms bridged or 1 ohm stereo e Intuitive crossover configuration switch assures easy initial setup 24dB per octave high pass or low pass crossover Continuously variable from 40 Hz to 8 kHz front and 40 Hz to 800 Hz rear Auxiliary outputs route high pass low pass or full range signals to another amplifier e Twin T Bass Boost circuit provides up to 18dB of boost at 45 Hz
3. PG SS162 Minimum speaker cable size is 16 gauge Use a 2 Phillips screwdriver to tighten each speaker terminal Note Do not use powered screwdrivers to tighten the terminals This can damage the gold plating and strip the screw s head BRIDGED CONNECTION L R PRO404 1 4 spade terminals PG SS122 Minimum speaker cable size is 12 gauge B battery i B ground z and remote AA turn on cables connect directly to the terminal block without the need for special connectors Strip 1 2 of insulation from the end of the wire and tin the tip with solder as shown This will prevent wire strands from fraying and still provide for maximum contact area between the terminal block set screw and bare copper cable Tighten the remote turn on set screw with the supplied 2mm hex wrench The 4mm hex wrench tightens the B battery and B ground terminals PG Z4 or PG PS4 B amp B cable Minimum cable size is 4 gauge wur 74BSUH Oo 444 eam ZAR SUPER Z18 18 gauge remote turn on wire mod perm INSTALLATIDN INPUT SENSITIVITY and BASS ADJUSTMENT 1 10 ds Install all system fuses Set the amplifier s input sensitivity and bass equalization controls to their minimum positions A full counterclockwise aii Set all amplifier signal routing switches according to your system s design Make preliminary adjustments to the crossover frequency
4. Bass Boost Crossover Frequency Range Crossover Slope Input Sensitivity Input Impedance Input Voltage Range Power Supply Operating Range Typical current draw at idle Average continuous current draw when playing typical music material Ci 18x4 75x4 150x4 250x2 2 ohms 1 ohm 60 80 80 amp 60 amps 85 amps 15 00 L x 9 00 W x 2 25 H 16 00 L x 10 00 W x 2 25 H 0 02 96 gt 100 dB 1 dB 20 Hz to 20 kHz 0 to 18 dB 45 Hz 40 Hz to 8 kHz 24 dB per octave 200 millivolts to 6 volts gt 30 kohms 0 2 volts to 6 volts 10 5 Vdc to 15 5 Vdc lt 3 amps Average peak current needed for musical peaks 20ms when playing typical music material Due to ongoing research and development features specifications and availability are subject to change without notice rc OPERATIONAL DETAILS 77 CROSSOVER FREQUENCY Controls the high pass and low pass crossover point for front speakers and auxiliary outputs Crossover frequency is adjustable from 40Hz to 800Hz with a 24dB per octave high or low pass slope JMESY II AUXILIARY OUTPUTS Provides either a low pass band pass high pass or full range Signal for an additional amplifier or signal processor The CONFIG switch determines the state of the signal FREQUENCY x10 Multiplies the front frequency settings by 10 making the adjustments range from 400 8 KHz 220 Edda INPUTS Connect preamp signal cables from the head unit to thes
5. 45Hz ZX475Ti 4 ohms stereo 60 amp ZX475Ti 2 ohms stereo 80 amp ZX475Ti 4 or 2 ohms bridged 80 amp INPUT SENSITIVITY This control adjusts the amplifier s sensitivity to incoming signals Clockwise increases sensitivity Counter clockwise decreases sensitivity Higher signal levels allow for a lower sensitivity setting and lower overall noise floor Lower signal levels will require increased sensitivity to reach full power To maximize performance we recommend using a PLD1 Professional Line Driver ZX amp manual pg REMOTE TURN ON TERMINAL Connect to a switched 12 Vdc source such as the head unit s remote or power antenna wire Note Use a voltmeter to verify that the power antenna wire remains on when operating the CD or tape OPERATIONAL DETAILS REAR CONFIG SWITCH 777777777 77070000000000 007777 This switch affects both rear speaker outputs and auxiliary outputs The top half of the switch indicates the type of signal fed to the speaker outputs The bottom half indicates the type of signal fed to the auxiliary outputs Note Full range signals bypass all internal crossover circuits In 3 way mode a band pass signal is created between the selected front frequency and selected rear frequency 77 POWER ON LEDS Top of Amplifier Three Superbrite blue LED s light when the amplifier is turned on indicating that the amplifier is grounded through the B terminal and is receiving voltage
6. Check the manufacturer s specifications for the proper frequency range of each speaker It may be necessary to fine tune the crossover frequency later for the best overall sound quality Q Boate GAD If using an LPL44 set it to maximum full clockwise Turn the headunit on with the volume set to minimum e Ax UN e ZI S e power Visually check the amplifier s condition The blue power LEDs should be on Check the condition of all other components to make sure they are powered up Set the headunit s tone controls balance and fader to the center flat position Turn off any loudness or other signal processing features Set the volume control of the headunit for maximum undistorted output on most headunits this will be approximately 7 8 of maximum volume Use a very clear and dynamic recording Turn up the input sensitivity control o until the speakers reach maximum undistorted output 12 13 14 15 16 17 Repeat input sensitivity adjustments for all other amplifiers Note The ZXTi amplifier s sensitivity and bass controls have no affect on the auxiliary outputs An amplifier connected to the auxiliary outputs receives the same signal level available to the ZXTi s inputs unity gain Reduce the headunit s volume to a comfortable level Listen to various musical selections to check overall system balance Compare front to rear midbass to midrange etc If one speaker
7. able VB200 Circuit Breaker or ZWF500 In line fuse NS block with XFG200 200A fuse E d E pt es 3i 18 MAX gt MER pL E 2 5 Upgraded O y ground cable Minimum 2 Battery gauge Fam E G100 Grommet Firewall mmi em i i j 9 9 TES i oss 1 o o zx400 i a A XSC10mkil ZBB343 Fused Distribution Block with two PGU60 amp fuses and two PGU40 40 amp fuses 80 amp total PRO4 or PS4 4 gauge power amp ground cable pe il o Use at least 1 farad of capacitance for every 1 000 watts of amplifier output hac i XSC series PowerFlow XSC12 lt Capacitors for improved current delivery and dynamics SYSTEM DESIGN examples FRONT REAR AUXILIARY HIGHPASS LOWPASS HIGHPASS XS62 front speakers 4 ohms per channel 80Hz highpass eee XS124 Subwoofer 4 ohms bridged 80Hz lowpass Minimum bridged load is 2 ohms Minimum load per channel is 1 ohm O tra 99 e e ooss Front Rear m a FRONT REAR FREQ FREQ INPUT OUTPUT INPUT INPUT LACE conrig X9 SELECT Orgs O ey wa Q ros O Q Q 0o OL The front crossover frequency control determines the Use the LPL44 to control the XS124 s volume from the XS62 s highpass frequency independently of the XS124 driver s seat and rear speakers For single preamp headunits set the input select The rear crossover frequen
8. cy control determines the switch to FRONT This allows signals from the front X 124 s lowpass frequency and auxiliary output s high inputs to reach the rear crossover without the use pass frequency of Y connectors The auxiliary outputs send highpass signals to another amplifier P UNE amp manual 9 08 SYSTEM DESIGN examples FRONT HIGHPASS XS130 front speakers 4 ohms per channel 160Hz highpass a D REAR BANDPASS AUXILIARY LOWPASS FRONT Ya i Hi SPEAKER BRIDGED XS84 midbass 4 ohms per channel 80 160Hz bandpass L Sow Minimum bridged load is 2 ohms Minimum load per channel is 1 ohm eae m FRONT FREQ FREQ INPUT OUTPUT 1605 rd e CONFIG x10 35 95 0 9 9 ONT BASS s gt SENS 0 18 6 2 INPUT SELECT Ge INPUT The front crossover frequency control determines the XS130 s highpass The bandpass signal for the XS84 s midbass is created between the front and rear crossover frequency settings The rear crossover frequency control determines the auxiliary output s lowpass frequency The auxiliary output sends lowpass signals to another amplifier Use the LPL44 to control the auxiliary output s volume from the driver s seat NOTE If connecting tweeters to the front outputs set the frequency multiplier switch to X10 This multiplies the fro
9. d Visually check each speaker for damaged tinsel leads or other broken parts Smell the speaker s magnet area for a burned scent indicating a damaged voice coil Visually examine inductors capacitors and resistors for signs of heat stress water or physical damage Use a soldering iron to touch up connections to the crossover circuit board Try substituting a different crossover network Re wire speakers to raise the total impedance seen by the amp This condition will cause the overload LED to stay lit without speaker wires connected to the amplifier The amplifier must be returned to an authorized service center for repair Authorized Phoenix Gold Service Centers USA Phoenix Gold Factory Canada Trends Electronics 877 745 3782 604 988 2966 rca LIMITED WAHHANTY Phoenix Gold International Inc or Phoenix Gold warrants its products against defects in materials and workmanship for a limited period of time For a period of one 1 year from date of original purchase we will repair or replace the electronic product at our option without charge for parts and labor The limited warranty period is EXTENDED to three 3 years from date of original purchase if the product was originally installed by an authorized Phoenix Gold electronics dealer and accompanied by a valid sales receipt showing a charge for installation Customer must pay all parts and labor charges after the limited warranty period expires The limite
10. d warranty period for factory refurbished products expires after ninety 90 days from date of original purchase This limited warranty applies only to purchases from authorized Phoenix Gold Electronics and Speaker retailers This limited warranty is extended only to the original purchaser and is valid only to consumers in the United States Consumers are required to provide a copy of the original sales invoice from an authorized Phoenix Gold dealer when making a claim against this limited warranty This limited warranty only covers failures due to defects in materials or workmanship that occur during normal use It does not cover failures resulting from accident misuse abuse neglect mishandling misapplication alteration faulty installation modification service by anyone other than Phoenix Gold or damage that is attributable to Acts of God It does not cover costs of transportation to Phoenix Gold or damage in transit This warranty will become void if the serial number identification has been wholly or partially removed altered or erased Repair or replacement under the terms of this warranty does not extend the terms of this warranty Should a product prove to be defective in workmanship or material the consumer s sole remedies will be repair or replacement as provided under the terms of this warranty Under no circumstances shall Phoenix Gold be liable for loss or damage direct consequential or incidental arising out of the use of or i
11. e Superbrite Tri LED power on indicator Independent Thermal and Overload protection LED indicators e Custom formed chassis with unique Titanium finish e 24kt gold plated power and speaker terminals e 2 ounce copper double sided G10 glass epoxy printed circuit boards e Replaceable insulated mounting feet e Audiophile grade capacitors and 1 tolerance metal film resistors throughout the audio path Optional LPL44 Low Pass Level controller allows the driver to adjust bass volume from the driver s seat Optional RDDP Remote Diagnostic Display Panel uses two tri color LED s allowing the driver to monitor the amplifier s battery voltage power on thermal and overload status Optional SDT Superior Digital Technology allows the driver to monitor the amplifier s battery voltage with a vacuum florescent display along with a tri color LED indicating power on thermal and overload status ra SPECIFICATIONS Continuous Output Power at 1 THD Wrms ZX475Ti Into 4 ohms Stereo 12 5 Vdc IASCA USAC Into 4 ohms Stereo 14 4 Vdc Into 2 ohms Stereo 14 4 Vdc Into 4 ohms Bridged 14 4 Vdc Minimum Speaker Load Bridged Minimum Speaker Load Stereo Recommended Fuse Size Stereo 4 ohms Stereo 2 ohms Bridged Continuous Current Draw Full Power Peak Current Draw Full Power Dimensions Chassis inches Dimensions Overall inches Total Harmonic Distortion Signal to Noise Ratio A weighted Frequency Response
12. e terminals To maximize noise rejection we recommend using Phoenix Gold ZEROpoint Musical Reference ZEROpoint Pro ZEROpoint QLX ZEROpoint TRX A560XS or A460XS series twisted pair interconnects SPEAKER OUTPUTS Used to connect the amplifier to speakers Use the left and right terminals for bridged mode Minimum speaker cable size is 16 gauge PG 88162 or QS162 Use 12 gauge for bridged operation 88122 or QS122 Minimum impedance is 2 ohms bridged or 1 ohm stereo B TERMINAL Chassis Ground Minimum 4 gauge or voids warranty Connect to a clean solid chassis ground Remove all paint and dirt from the chassis connection point Minimum cable size is 4 gauge Keep the cable as short as possible REAR 1 1 1 1 1 1 1 D Ri FRONT y r l aux freq INPUT OUTPUT x10 INPUT INPUT SELECT R CONFIG EAO SENS 3 ee L BRIDGED A T 1 1 1 1 1 1 B TERMINAL Battery Positive Minimum 4 gauge or voids warranty Connect directly to the positive battery terminal Minimum cable size is 4 gauge Remember to properly fuse this cable within 18 inches of the amplifier and positive battery terminal Amplifier Outputs Fuse size TWIN T BASS EQ This control allows up to 18dB of boost at 45Hz for the speaker outputs It cannot affect the auxiliary outputs Use this control sparingly Every 3dB of boost requires double the power at
13. ency amplifier The rear crossover frequency control determines the Use the LPL44 to control the XS124 s volume from the XS124 s lowpass frequency driver s seat The bandpass signal for the XS84 midbasses is created between the front and rear crossover frequency settings ra OUTPUTS FRONT REAR AUXILIARY BYPASS HIGHPASS LOWPASS PROCESSOR LOOP XS124 Subwoofer powered by front channels at 4 ohms bridged 80Hz lowpass M SPEAKER BRIDGED dH Wo XS62 speakers 4 ohms powered by rear channels at 80Hz highpass Fe v NEED LPL44 w eggi PES am mo FRONT FREQ FREQ INPUT our UT INPUT LPL im f ES SZOK SELECT os AS oj D lt 90 Qo 0o OL The auxiliary outputs send lowpass signals out to the NOTE Locating the Bass Cube in this position of the Bass Cube and then back into the front inputs signal flow allows only the low pass signal for the XS124 to be boosted The XS62 s high pass signal will be The front crossover frequency control determines the unaffected by the Bass Cube s boost XS62 s highpass frequency and the XS124 s lowpass frequency Use the LPL44 to control the XS124 s volume from the driver s seat rr INSTALLATION MOUNTING You can mount the ZXTi amplifier in a variety of positions There are only a few precautions that must be observed Never mount the amplifier where it can get wet Water damage is not covered by the limited
14. erminal Blown or melted power fuse Use an ohmmeter to verify that the fuse has continuity between its ends Disconnect the main B cable from the battery and the inputs of all devices in the system including capacitors Use an ohmmeter to check for a short between the power cable system and the vehicle s chassis Correct any short and install a new fuse Replace only with the same rating and type of fuse No output and power on No signal from the head unit or Use an AC voltmeter to check for voltage at the LEDs are on previous signal processor headunit or processor s preamp outputs The level should fluctuate with peaks in the music An analog gauge works well for this test Faulty input signal cables Use an AC voltmeter to check for voltage at the signal cables outputs Try substituting different signal cables Faulty speaker or speaker cables Try substituting another speaker or cables c sm r Distorted sound Clipped input signal feeding the Make sure the headunit and all other components amplifier or signal processor are not producing a clipped signal Most head units clip their own output above 7 8 volume Distorted signals coming into the amp will sound distorted at any input sensitivity setting Amplifier or signal processor s input Lower input sensitivity counterclockwise sensitivity too high Settin
15. g the sensitivity too high causes distortion Distortion causes speakers to rapidly overheat and can result in speaker failure Amplifier cuts off when Poor ventilation Check for a poor mounting location that allows driven to high output hot air to be re circulated within the heatsink levels Thermal protection Check for blocked input or exhaust openings circuit activated yellow LED on Total speaker impedance is too low Re wire speakers to raise the total impedance causing excessive heat seen by the amp Minimum impedance is 2 ohms bridged or 1 ohm stereo rr TROUBLE SHOOTING SOLUTION GR SYMPTOM POSSIBLE CAUSE Amplifier cuts off when Excessive output current is the only driven to high output thing that can cause the Overload levels Overload circuit LED to light There are only a few activated red LED on possible causes A damaged speaker cable touching the vehicle chassis speaker cables or speaker tinsel leads touching each other or damaged speaker voice coil Damaged passive crossover components Total speaker impedance is too low causing excessive output current Defective output transistor inside the amplifier With the speaker wires disconnected from the amp use an ohmmeter to check for a short from any speaker cable to chassis ground Check the DC resistance of the speaker s voice coil It should be close to the speaker s nominal imped ance specification and should fluctuate when the cone is touche
16. ights if the amplifier shuts down due to excessive output current Common reasons for excessive output current Total speaker impedance too low causing excessive output current Exposed copper from speaker cable touching the vehicle chassis Speaker cables or speaker tinsel leads touching each other Damaged speaker voice coil or passive crossover components Poet t Sex SYSTEM DESIGN SINGLE AMPLIFIER POWERFLOW SYSTEM m Dex Han P lt 18 max gt x ZWF500 In line fuse Upgraded l holder with XFG80 80A ground cable Use the same fuse value fuse I Battery as the amplifier s fuse Minimum 4 gauge j Z2 or PS2 2 gauge main power cable Firewall G100 Grommet i 4 ZWF500 In line fuse holder with XFG80 80A fuse XSC12 T D 1 2 Farad PowerFlow Capacitor Z4 or PS4 4 gauge T power amp ground cable Use the power cable calculator for the exact gauge of cable required POWER CABLE CALCULATOR 1 0 1 Find the distance feet of the cable run along the top 2 Find the total power watts the cable must support on the left 3 Where the two meet indicates the proper gauge cable If the distance or power falls between two columns or rows always round up to the next larger cable size or distance EET ALD ZX amp manual pg O6 SYSTEM DESIGN MULTIPLE AMPLIFIER POWERFLOW SYSTEM Z1 or PS1 1 0 gauge main power c
17. nability to use the product There are no express warranties other than described above EM Ge etna ce
18. nt crossover s frequency range by a factor of ten The range becomes 400 to 8kHz SYSTEM DESIGN examples FRONT REAR AUXILIARY LOWPASS LOWPASS HIGHPASS XS124 Subwoofer 4 ohms bridged 80Hz lowpass a in EN BRIDGE XS124 Subwoofer 4 ohms bridged EE lowpass Minimum bridged load is 2 ohms Minimum load per channel is 1 ohm S a LPL44 02_1 48 L O Gaa to Ses I if nm l y m FRONT REAR AUX FREQ Freq INPUT OUTPUT put PREG Eas e CONFIG X SELECT LACE WG OO g 3k LO Sex O gt BASS SENS R BASS Q o oL The rear crossover frequency control determines the The auxiliary output sends highpass signals to another crossover frequencies of all outputs amplifier Use the LPL44 to control the volume of both front and rear outputs rc SYSTEM DESIGN examples FRONT REAR AUXILIARY HIGHPASS HIGHPASS LOWPASS XS62 front speakers 4 ohms per channel 80Hz highpass SPEAKER BRIDGED Ps Lo Ra XS69 rear speakers 4 ohms per channel Minimum bridged load is 2 ohms Minimum load per channel is 1 ohm JP LPL44 O8 T 48 55 Cos 1 48 Front Rear m A r I f Bn LLLA Qd jp FREQ INPUT OUTPUT me LPL oe zd e CONFIG x10 SELECT xo me ew ASTD L R 0 18 5 2 0 18 RDDP The front crossover frequency control determines the Use the LPL44 to co
19. ntrol the auxiliary output s volume XS62 s highpass frequency independently of the XS69 s from the driver s seat and auxiliary outputs For single pre amp headunits set the input select The rear crossover frequency control determines the switch to FRONT This allows signals from the front XS69 s highpass frequency and auxiliary output s inputs to reach the rear crossover without the use of lowpass frequency Y connectors The auxiliary output sends lowpass signals to another amplifier ra ra SYSTEM DESIGN examples FRONT REAR AUXILIARY FULL RANGE FULL RANGE FULL RANGE XS62 front speakers 4 ohms per channel full range SPEAKER BRIDGED t NU Fa ee ae ae XS69 rear speakers 4 ohms per channel Vr full range c We es EID Front Rear vemm n TTA EE CURIE I T I I an I Y REAR AUX FREQ FREQ INPUT OUTPUT mr INPUT LPL es conre X9 SELECT 0 90 OO 4 O O 9 De pu SENS 0 18 6 2 6 2 0 18 For single pre amp headunits set the input select switch to FRONT This allows signal from the front inputs to reach the rear channels without the use of Y connectors ra ri SYSTEM DESIGN examples FRONT REAR AUXILIARY HIGHPASS LOWPASS FULL RANGE XS62 front speakers q 4 ohms per channel 80Hz highpass SPEAKER eee TA XS124 Subwoofer 4 ohms bridged M 80Hz lowpass
20. set is too loud compared to another then its level must be lowered to blend correctly with the other speakers The idea is to reference all speakers to the weakest set Note For subwoofers controlled by an LPL44 keep the sensitivity setting from step 11 or 12 Use the LPL44 to blend subwoofers with the rest of the system The correct subwoofer volume will change depending on road noise and differences in recordings Fine tune crossover frequencies to s achieve the smoothest possible 160 300 blending of each speaker set io QD 40 800 Adjust the Bass Equalization Controls if necessary Note Use these controls sparingly Every 3dB of boost requires double the power at 45Hz If your subwoofer system requires 18dB of boost to sound good there may be a problem Look for out of phase woofers a leaking subwoofer box or incorrect box size 0 38 8 2 BASS SENS With all levels set correctly the system will reach overall maximum undistorted output at the volume level set in step 10 Poet t Sex ZXTi amp manual g 18 TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSE SOLUTION CE No output and Power on No battery ground or remote Verify that the B B and remote turn on LEDs are off connection terminals are properly connected and that the headunit is turned on Use a DC voltmeter to check for 12 volts between the ground terminal and the B terminal Also check between the ground terminal and the remote turn on t
21. through the B and remote turn on terminals FRONT CONFIG SWITCH This switch effects the type of signal being fed to the front speaker outputs The switch determines where the Rear Aux Output gets its signal from l j This port is for connecting the optional LPL44 Remote Lowpass Level Control knob allowing up to 20dB of subwoofer volume adjustment from the driver s seat Note The LPL44 controls the low pass output of the internal crossover regardless of whether the low pass output is routed to the speaker or auxiliary outputs It will not affect high pass or full range signals Rear Aux Output gets its signal from the rear D output INPUT SELECT SWITCH i Rear Aux Output gets its signal from the front O input before the internal crossover 3 F Rear Aux Output in 3 way mode gets its signal from the front input after the crossover P erg m 7T a Ge 000 x o of S C eRDGED ae 9 18 RODP H A PROTECTION LEDS Visible Through Plexi Window 7777777777777777777777 Te bia aspis M aote Pemate YELLOW Thermal Lights if the amplifier shuts down due to overheating If the Diagnostic Display Port or SDT The display indicates internal heatsink overheats the amplifier shuts down and continues the amplifier s condition with additional status LED s to run the fan at high speed until the internal heatsink temperature and a DC voltmeter cools down RED Overload L
22. warranty Do not mount the amplifier where debris such as stray wire strands could fall into the fan intake or exhaust openings This could cause serious damage to the electronic circuitry Damage from debris is not covered by the limited warranty Make sure the amplifier has adequate ventilation Leave at least one inch of clearance on the sides and top of the amplifier Mounting the amplifier inside an enclosure is not recommended unless the enclosure itself has ventilation fans to circulate fresh air through the enclosure Design your cooling system to circulate at least 30cfm cubic feet per minute for each amplifier Example A ZX475Ti in an enclosed amp rack requires two 30cfm cubic feet per minute fans One fan for intake and one for exhaust Mount the amplifier to flat surfaces only Make sure the amplifier s base does not flex or distort The isolation mounting feet may be replaced if damaged Order PG 5620 0006 Contact an Authorized Phoenix Gold Dealer for details POWER c Cx 0000000 a Minimum 1 clearance between cover and amplifier 30 cfm intake fan Typical enclosed amp rack Plexiglas or Lexan cover 30cfm exhaust fan j EET INSTALLATIDN POWER and SPEAKER CONNECTIONS Use crimp on terminals for connecting speaker cables to the amplifier For extra reliability crimp and solder each terminal STEREO CONNECTION PRO404 1 4 spade terminals
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