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1. www americanaudio us ELX Series Power Amplifier User Manual Page 4 Front Panel 1 Indicator LEDs Channel Protect Indicator The yellow Protect LED will begin to glow when the channel goes into protect mode When the channel goes into protect mode all output for that channel will turn off This is to protect any speakers connected to the channel Channel Clip Indicator This red LED will begin to flash when channel one begins to overload clip At this point channel one will begin to dis tort Under heavy clipping activity lower the channel one gain control to reduce the risk of damage to your speakers and amplifier This LED may glow when the unit has been turned off this is normal Channel Signal Indicators These green LED s will glow according to the average signal output Active Indicators These green LED s will glow when the amp is switched on 2 Power Switch This switch is used to control the units main power NOTE The amp must always be turned on last in a audio set up and turned off first in a audio set up Before powering on or down the amp turn the gain controls to the lowest position 3 Channel B Gain Control This rotary knob is used to control the output signal of channel two Turning the knob in a clockwise direction will increase signal output Before powering down the amp turn the gain control to the lowest position Figure 1 4 Channel A Gain Control This rotary knob is used to control t2. Every ELX Series amplifier has been thoroughly test ed and has been shipped in perfect operating condition Carefully check the shipping carton for damage that may have occurred during shipping If the carton appears to be damaged carefully inspect your unit for any damage and be sure all accessories nec essary to operate the unit has arrived intact In the event damage has been found or parts are missing please contact our toll free customer support number for further instructions Please do not return the amplifier to your dealer without contacting customer support first Installation This amplifier is designed to mount into a standard 19 rack The front panel provides four holes used to screw the unit into a rack The unit also provides a way to rear mount the unit into a rack for added security Rear mounting the unit is espe cially recommended for this amplifier if the unit is to mounted into a mobile rack Customer Support American Audios provides a toll free custom er support line to provide set up help and to answer any question should you encounter problems during your set up or initial opera tion You may also visit us on the web at www americanaudio us for any comments or suggestions For service related issue please contact American Audios Service Hours are Monday through Friday 8 00 a m to 4 30 p m Pacific Standard Time Voice 800 322 6337 E mail support americanaudio com Fax 323 582 2610 OAmerican Audio
3. other red LED indicates protections mode for shorts overload OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 12 TYPICAL STEREO OUTPUT CONNECTIONS Use Speakon Connections Figure 9 PINOUT SPEAKERS SPEAKERS 4 OHM MINIMUM 4 OHM MINIMUM TYPICAL MONO BRIDGE SET UP Use Channel 1 Input Only Figure 10 AC INPUT SERIAL NO Use the two positive binding post SPEAKERS termainals red for speaker output 8 OHM MINIMUM OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 13 The ELX Series carries a one year limited warranty We recommend you fill out the enclosed warranty card to validate your purchase All returned service items whether under warranty or not must be freight pre paid and accompany a R A return authorization number If the mixer is under warranty you must provide a proof of purchase invoice You may obtain a R A number by contacting our customer support team on our toll free number Please contact American Audios customer support at 800 322 6337 for a R A number All package not displaying a R A number on the outside of the package will be returned to the shipper 1 YEAR LIMITED WARRANTY A American Audio hereby warrants to the original purchaser American Audio products to be free of manufacturing defects in material and work manship for a period of 1 Year 365 days fr
4. stores a 12 amp protective fuse Never defeat the fuse the fuse is designed to protect the electronics in the event of severe power fluctuations Always be sure to replace the fuse with an exact match as the one being replaced unless otherwise told to do so by an authorized Ameri can Audio service technician 11 Channel A XLR Inputs Channel 8 3 pin XLR balanced input jack See page 7 for more details Channel A amp B XLR THRU Inputs These inputs are parallel outputs of the inputs used to link multiple amps 12 Ground Lift Switch This switch allows the ground signal or chassis ground to be separated in case of a ground conflict For the safety of the amp it is recommended to keep the switch in the GND FLOATING position In case of a ground conflict please set the switch to GND LIFT 13 Mode Switch This switch controls the amplifier s operating mode The am plifier can operate in two different modes Mono Bridge or Stereo The amplifier is shipped in stereo mode 14 Air Vents These vents allow hot air to exit the amp Do not place anything in front or obstruct these vents OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 6 Set Up INPUTS The ELX Series amplifier allows you to use two types of input connector per a channel a XLR jack for balanced connections and a 1 4 female jack that will accept balanced and unbalanced connectors Use these connections to co
5. 3mm hole that was reveled by unscrewing the binding post cap After inserting the wire into ma the binding post hole screw the binding post cap down on the wire To reduce the risk of CEC shock or damage to your amplifier be sure that the wire connected to one binding post does not come in contact with that of another ypical speaker output using bare wire Insert Mono Bridge Connections bare wire into the binding post and tighten Mono bridge operation connections will follow the above descriptions however when operating in mono bridge operation the speaker connections will run between the two positive red leads Use channel two pos itive output terminal for the negative connection and the channel one positive output terminal for the positive connection Stereo Connections Using the Neutrik Speakon output connectors Recent regulatory requirements in Europe have outlawed the use of the dual banana plug and forced amp users to terminate their speaker cables with spade lugs or bare wire ends This is not advantageous to most users that want to reconfigure their systems or quickly change out an amp The Neutrik Speakone connector provides the most convenient solution to this problem eliminating the need for spade plugs or bare wire end cables Major speaker manufacturers have been using Speakon connectors on their products for years so chances are you are ready to use the Speakon connection With Speakon connectors you can connect straig
6. AMERICAN AUDIO 2 13 AMERICAN AUDIO PROFESSIONAL POWER AMPLIFIER 03 e e e Q Q 0 Q Q Q O e e Q 0 AMERICAN AUDIO PROFESSIONAL POWER AMPLIFIER AMERICAN AUDIO PROFESSIONAL POWER AMPLIFIER Professional Power Amplifier PROT Q O rror cur O O cur 556 6 rt 108 Q 6 0 158 O O 1508 208 O O 2008 258 Q O 2508 ACTIVE O acrive xox OxOxOxexexexexexe Q Q Q Q Q O O Q exe 0 e Q Q Q PROT Q O Prot cur O O cur 5d8 O 6 108 Q O 1008 548 O O5 208 O O 2008 2548 Q O 2508 active Q O acrive PROT O ProT cur Q Ocr 5d8 O O zap 10d8 6 5 158 O 6 208 6 O 2008 258 O 2508 active Q Oacmg ELX Series User Instructions ELX4000 This symbol is intended to alert the user to the presence of non insulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons This symbol is intended to alert the user of the presence of important operating and maintenance servicing instructions in the literature accompanying the product CAUTION Risk of the electrical shock DO NOT OPEN CAUTION To reduce the risk of electrical shock do not remove cover No user serviceable parts inside Refer all servicing to qualified service personnel WARNING To prevent electric
7. AVEC DEUX H P FAUT POUR CHAOUN UNE CHARGE D IMPEDANCE MINIMUM DE 4 OHMS AVEC TROIS H P FAUT POUR CHAOUN UNE CHURGE D IMPEDANCE MINIMUM DE 8 OHMS CONTENTS Safety PPPS MUNN NS E 4 UO CHUN WG y PPP o 4 1 Pane O A 5 Rear PAR ne O O E E RAD a E E 6 eiert EE 7 EENEG 7 Speakon he Te e e ns nn reseau daniel 9 Operating e 10 Protection E e EE 11 a LL EL A OOONoOONOoOo0 pAEPPP yg ctaentastseebteanbeaieaaeaceeneubonbieaass 12 Speaker ECO D ae an en a D te Dot 13 Warranty pe EE RU 14 A O A 16 OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 3 Important Precautions To reduce the risk of electrical shock or fire do not expose this unit rain or excessive moisture Do not spill water or other liquids into or on to your unit Do not attempt to operate this unit if the power cord has been frayed or broken Do not attempt to remove or break off the ground prong from the electrical cord This prong is used to reduce the risk of elec trical shock and fire in case of an internal short Disconnect main power before making any type of connection Do not remove the cover under any conditions There are no user serviceable parts inside Never plug this unit in to a dimmer pack Always be sure to mount this unit in an area that will allow proper ventilation Allow about 6 15cm between this device and a wall Do not attempt to operate
8. al shock or fire hazard do not expose this amplifier to rain or moisture Before using this amplifier read the user manual for further warnings Este s mbolo tiene el prop sito de alertar al usuario de la presencia de voltaje peligroso que no tiene aislamiento dentro de la caja del producto que puede tener una magnitud suficiente como para constituir riesgo de corrientazo Este s mbolo tiene el prop sito de alertar al usuario de la presencia de instrucciones importantes sobre la operaci n y mantenimiento en la literatura que vienc con el producto PRECAUCI N Riesgo del choque el ctrico NO SE ABRA PRECAUCI N Para disminuir el riesgo de choque el ctrico no quite la cubierta No hay piezas adentro que el usario puede reparar Deje todo mantenimiento al los t c nicos cualificados ADVERTENCIA Para prevenir choque el ctrico o riesgo de incendios no deja expuesto a la lluvia o a la humedad este amplificador Antes de usar este amplificador lea mas advertencias en la guia de operacion Ce symbole est utilis pur indiquer l utilisateur la pr sence l int rieur de ce produit de tension non isol e dangereuse pouvant tre d intensit suffisante pour constituer un risque de choc lectrique Ce symbole est utilis pour indiquer l utilisateur qu il trouvera d importantes instructions importantes sur l utilisation et l entretien de l appareil dans la litt rature accompagnant le produit ATTENTION Risque de ch
9. e Netherlands service adjgroup eu www americandj eu Tel 31 45 546 85 Fax 31 45 546 85 99
10. e maintenance cleaning or periodic check up During the period specified above American Audio will replace defective parts at its expense and will absorb all expenses for warranty service and repair labor by reason of defects in material or workmanship The sole responsibility of American Audio under this warranty shall be limited to the repair of the product or replace ment thereof including parts at the sole discretion of American Audio All products covered by this warranty were manufactured after January 1 1990 and bear identifying marks to that effect E American Audio reserves the right to make changes in design and or improvements upon its products without any obligation to include these changes in any products theretofore manufactured F No warranty whether expressed or implied is given or made with respect to any accessory supplied with products described above Except to the extent prohibited by applicable law all implied warranties made by American Audio in connection with this product including warranties of merchantability or fitness are limited in duration to the warranty period set forth above And no warranties whether expressed or implied including warranties of merchantability or fitness shall apply to this product after said period has expired The consumer s and or Dealer s sole remedy shall be such repair or replacement as is expressly provided above and under no circumstances shall American Audio be liab
11. ever if it is pushed hard enough to continually light the CLIP indicator the amplifier s average output power can reach 150 watts 4 Ohm Loads If the CLIP indicator flashes occasionally the amplifier is approaching its maximum long term power capacity If it is lit about half the time the amplifier channel will probably go into thermal protection within a few minutes OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 11 AMPLIFIER FEATURES LINK Link will allow the user to daisy chain one amplifiers signal input into another amplifier Plug the signal source outputs into the first amplifier s input patch from the amplifier s LINK jacks to the next amplifier s input and so on daisy chaining as many amplifiers as there is no excessive level loss OPERATING VOLTAGE AC MAINS The correct AC main voltage is listed above the Power Cord input Connecting to the wrong voltage is dangerous and may damage the amplifier GAIN CONTROLS The gain controls are located on the front panel and are calibrated in 2dB of attenuation from full gain It is best to adjust the amplifier so no hissing is heard from speakers with no music being played this will ensure the lowest possible distortion during normal operation LED INDICATORS Each channel has eight LEDS The bottom LED is the channel power indicator The next five LEDs indicate signal level activity One red LED indicates signal clipping and the
12. he limiter will deactivate and cease its gain reduction The limiter has a fixed threshold and can not be adjusted NOTE If input signal is clipping or exceeds linear ity working range of input circuit then the Clip Limiter will not work Short Circuit Protection The ELX Series amplifiers all come with built in Short Circuit Protection If a short circuit is detected on the output signal the Clip and Protect Indicator LEDs will both glow This protection makes the output transistors work at a safe range and there will be no output from the amp The amp will recover after 10 seconds after the terms of the short circuit have been removed AC Local Power Protection If the AC power voltage is lower than 70 of the required voltage the power supply will turn off auto matically until the power voltage is normal NOTE The correct AC main voltage is listed above the Power Cord input Connecting to the wrong voltage is dangerous and may damage the amplifier Always be sure the source voltage for your areas matches the required voltage for your amplifier DC Protection l the output signal has a larger DC voltage 2 6V in order to protect the speaker the DC protection circuit will start up When the DC protection circuit starts up the Protection Indicator LED 1 will glow and the amp will go mute Safe Power Levels at Different Output Loads 8 Ohm Loads The amplifier can operate at practically any power level without risk of overheating How
13. he out put signal of channel one Turning the knob in a clockwise direction will increase signal output This gain control is also used when the amp is in Bridge Mode Before powering down the amp turn the gain control to the lowest position 5 Air Inlet These air inlets draw in air from the outside to help cool down the amp as it is running Do not place anything in front or obstruct these inlets Keep these air inlets clean for max air flow OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 5 Rear Panel El M 2 OHM MIN IMPEDANCE AT STEREO BUILT IN LIMITER 8 SOFTSTART NOT EXPOSE SERVICEABLI MADE IN CHINA E PARTS INSIDE SERIAL NO MODE STR BTL LIFT GROUND a 4 13 WARNING RISK OF HAZARDOUS ENERGY UNIT PINOUT AG INPUT P2 120V 60Hz P3 INPUT IMPEDANCE 08 BALANCED 14K UNBALANCED 10 Figure 2 12 11 8 Channels A amp B Speakon Outputs Optional speaker output connections Use pins 1 and 1 of this 4 pole Speakon connector to connect to your speak er s Speakon input jack 9 Channel A amp B Output Jack 5 way Binding Post Connect to your speak ere input jack Red is positive signal and Black is negative signal When using Bridge Mode use Channels A 4 B 10 AC Cord Plug this cable into a standard wall outlet Check that the voltage in your area matches the amplifiers required voltage Fuse Holder This housing
14. ht from the amplifier to the speaker The Speakon connector used on this amplifier meets all known safety regulations Once wired correctly the connector cannot be plugged in backwards causing the type of inverted polarity situations that have become common with banana hookups This connection will provide a safe secure and reliable method of connecting your speakers to your new amplifier You can purchase the Speakone NL4FC connectors from your local audio dealer American Audio www americanaudio us ELX Series Power Amplifier User Manual Page 8 SPEAKON ASSEMBLY You will need a pair of Neutrik Speakone NL4FC connectors You will also need high quality two or four conductor speaker cable a pair of needle nosed pliers and a 1 5 mm Allen key to assemble the Speakon connectors to your speaker wire To assemble the Neutrik Speakon NL4FC connector complete the following steps 1 Strip back 3 4 inch of the cable casing Strip off 1 4 inch from the end of each of the conductors down to bare wire and insert the brass fittings See Figure 5 2 Slide the cable tension clip D and the speakon coupler E through the cable end See Figure 6 3 Insert each wire with the brass fittings into the top of appropriate slot of the connector insert B as shown in Figures 9 and 10 Use a 1 5 mm Allen key to tighten the connection See Figure 7 4 Be sure to properly match the positive and negative leads of each wire See Figure 8 5 S
15. k of electric shock CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THE COVER THERE ARE NO USER SERVICEABLE PARTS INSIDE REFER ALL SERVICE TO YOUR AUTHORIZED AMERICAN AUDIO DEALER The lightning flash with an arrow triangular symbol is intended to alert the user to the presence of non insulated dangerous volt age within the products enclosure and may be of sufficient magnitude to consti tute a risk of electric shock The exclamation point triangular symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions in the user manual accompanying the amplifier A FOR OPTIMUM PERFORMANCE AND RELIABILITY DO NOT PRESENT THE AMPLIFIER WITH A SPEAKER LOAD OF LESS THAN 2 OHMS OR ANY COMBINATION OF SPEAKERS THAT TOGETHER ARE LESS THAN 2 OHMS USING ONE SPEAKER IT MUST BE RATED AT 40R MORE OHMS USING ONE SPEAKER IN STEREO MODE THE SPEAKER MUST BE RATED AT LEAST 2 OHMS IF THE AMP IS IN BRIDGE MODE THAN ONE SPEAKER HAS TO BE AT LEAST 4 OHMS USING TWO SPEAKERS PER CHANNEL THEY MUST RATED EACH AT 4 OR MORE OHMS USING THREE SPEAKERS PER CHANNEL THEY MUST BE RATED EACH AT 8 OR MORE OHMS A POUR ASSURER LA FIABILETE ET OBTENIT UNE PERFORMANCE OPTIMALE NESOUMETTE JAMAIS LAMPLIFICATEUR A UNE CHARGE D IMPEDANCE TOTALE INFERIEURE A 2 OHMS NI AVEC UN H P NI EN COMBINAISON DES H P AVEC UN H P IL FAUT UNE CHARGE D IMPEDANCE MINIMUM DE 2 OHMS
16. le for any loss or damage direct or consequential arising out of the use of or inability to use this product G This warranty is the only written warranty applicable to American Audio products and supersedes all prior warranties and written descriptions of warranty terms and conditions heretofore published American Audio www americanaudio us ELX Series Power Amplifier User Manual Page 14 NOTES OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 15 ELX Series SPECS AC 100V 50 60Hz Japan AC 110V 60Hz Colombia U S A and Canada Mexico Chile and Argentina 20V 60Hz Philippines and Korea AC 230V 50Hz Europe New Zealand South Africa and Singapore AC 240V 50Hz Australia and U K ELX 2000 ELX 3000 2 x 90W RMS per Channel 8 Ohms 1KHz 1 THD 2 x 180W RMS per Channel O 8 Ohms 1kHz 1 THD 2 x 150W RMS per Channel 4 Ohms 1kHz 1 THD 2 x 250W RMS per Channel 4 Ohms 1kHz 1 THD 300W RMS 8 Ohms 1kHz 1 THD 500W RMS 8 Ohms 1kHz 1 THD Bridge Mode Mono Bridge Mode Mono otal Harmonic Less Then 0 1 20Hz 20kHZ 8 Ohms Less Then 0 1 20Hz 20kHZ 8 Ohms Distortion THD Frequency 20Hz to 20KHz 1 0dB 20Hz to 20KHz 1 0dB Response Damping Factor gt 60 gt 60 f 1 KHz at 8 3 lew Rate 20V per usec 20V per usec mpedance 20K Ohms Balanced 20K Ohms Balanced S N Ratio Crosstalk rated gt 65dB gt 65dB power output 8 Q at 1 kH
17. lide the connector insert B into the connector housing A making sure that the large notch on the outer edge of the insert lines up with the large groove on the inside of the connector housing The insert should slide easily through the housing and out the other side until it extends approximately 3 4 inch from the end of the housing 6 Slide the cable tension clip D along the cable and insert into the housing A making sure that the large notch lines up with the large groove on the inside of the connector housing A The cable tension clip D should slide easily into the housing until only 3 8 inch of the cable tension clip D extends from the back end of the connector 7 Slide the coupler E along the cable and screw it onto the end of the housing A Before tightening you may want to test the connector to make sure it has been assembled properly Figure 5 Brass Inserts 4 Conductor Speaker Cable Figure 6 A B C D E Figure 7 Figure 8 OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 9 OPERATING MODES Always configure your amplifier operating mode before beginning operation If you want to change it dur ing performance You must decrease the gain controls to their lowest levels to protect the speakers from any popping noise Stereo Operation Page 13 Figure 9 details an example of a typical stereo set up Connect your inputs into channels one and two of the amplifier Connect yo
18. ndicator LED located on the front of the amp will light up and the output signal will be muted The fans will start to run at max speed to allow the amp to return to a safe operating temperature To prevent amplifier over heating make sure your input signal is not clipping Red LED indicator located at the front and that you are not overdriving the amp Make sure not block the airflow input and output vents and always use the amp in an enviroment that is no higher than 30 C 86 F Never use a speaker load that exceeds power or impedance ratings Clip Limiter When the input signal overloads the CLIP LED s will indicate a signal overload at this time the master volume should be lowered to reduce distortion If the input gain level is not reduced the built in limiter will activate During signal overload the lim iter will reduce the input audio signal enough to minimize the amount of clipping A limiter takes the gain of an overloading signal and reduces it the reduction in gain reduces distortion that can cause damage to your speakers and amplifier During normal operation below clipping and momentan clips on peaks the limiter does not affect the audio signal and is inaudible It will allow brief clipping of peaks and will only activate when continuous hard clipping occurs During excessive clipping the limiter will reduce the audio signal enough to minimize the amount of clipping When the input signal decreases enough that clipping ends t
19. nnect the output signal from a mixer cross over or EQ to your ELX Series amplifier A balanced connection is recommended for cable runs longer that 20ft When constructing your own XLR cables follow the pin configuration describe below for proper connections Male XLR Pin Configuration US ITT Standard Figure 3 1 Ground Return Ov 2 Hot data 3 Negative data OUTPUTS Binding Post Connect your speakers to the binding post outputs on the rear of the amplifier The speaker wire may be connected by bare wire directly connected usually for permanent connections Connections are made to Channels A and B output s for stereo mode or across the red terminals of Channels A and B for Mono Bridge Mode Important Notice Although a speaker will operate with the positive and negative leads plugged into either terminal on the amplifier binding post be sure to plug the negative lead into the black terminal and positive lead into the red terminal Ensuring proper polarity will avoid speakers being out of phase that can cause a loss of bass response OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 7 Bare Wire Connections Figure 4 Fig r When connecting your speakers to the amplifier using bare wire Unscrew the red and black caps on the binding post be sure not to completely remove or unscrew the red 4 2 and black caps Strip back the wire insulation 1 2 13mm Insert the bare wire into the 1
20. oc lectrique NE PAS OUVRIR ATTENTION Afin de r duire le risque de choc lectrique ne pas enlever le couvercle Il ne se trouve l int rieur aucune pi ce pouvant tre r par e par l utilisateur Confier l entretien un personnel qualifi AVERTISSEMENT Afin de pr venir les risque de d charge ou de feu n exposez pas cet appareil la pluie ou l humidit Avant d utiliser cet amplificateur lisez les aver issements suppl mentaries situ s dans le guide Dieses Symobl soll den Anwender vor unisollierten gef hrlichen Spannungen innerhalb des Geh uses warnen die von Ausreichender St rke sind um einen elek trischen Schlag verursachen zu k nnen T Dieses Symobl soll den Benutzer auf wichtige Instruktionen in der Bedienungsanleitung aufmerksam machen die Handhabung und Wartung des Produkts betref fen VORSICHT Risiko Elektrischer Schlag Nicht ffnen VORSICHT Um ddas Risiko eines elektrischen Schlages zu vermeiden nicht die Abdeckung enfernen Es befinden sich keine Teile darin die vom Anwender repariert werden k nnten Reparaturen nur von qualifizierte Fachpersonal durchf hren lassen ACHTUNG Um einen elektrischen Schlag oder Feuergefahr zu vermeiden sollte diesen Ger t nicht dem Regen oder Feuchtigkeit ausgesetz werden Vor Inbetriebnahme unbedingt die Bedienungsanleitung lesen OAmerican Audio www americanaudio us ELX Series Power Amplifier User Manual Page 2 CAUTION Do not open ris
21. om the date of purchase This warranty shall be valid only if the product is purchased within the United States of America including possessions and territories It is the owner s responsibility to establish the date and place of purchase by acceptable evidence at the time service is sought D For warranty service send the product only to the American Audio factory All shipping charges must be pre paid If the requested repairs or service including parts replacement are within the terms of this warranty American Audio will pay return shipping charges only to a designated point within the United States If the entire instrument is sent it must be shipped in its original package No accessories should be shipped with the product H any accessories are shipped with the product American Audio shall have no liability whatsoever for loss of or damage to any such accessories nor for the safe return thereof C This warranty is void if the serial number has been altered or removed if the product is modified in any manner which American Audio con cludes after inspection affects the reliability of the product if the product has been repaired or serviced by anyone other than the American Audio factory unless prior written authorization was issued to purchaser by American Audio if the product is damaged because not properly maintained as set forth in the instruction manual D This is not a service contract and this warranty does not includ
22. this unit if it becomes damaged This unit is intended for indoor use only use of this product out doors voids all warranties During long periods of non use disconnect the unit s main power Always mount this unit in a safe and stable manner Power cords should be routed so they are not likely to be walked on pinched by items placed upon or against them Cleaning The outside of the unit should be wipe down with a soft cloth and mild cleaner when needed Heat The appliance should be situated away from heat sources such as radiators heat registers stoves or other appliances including amplifiers that produce heat The amplifier should be serviced by qualified service personnel when A The power supply cord or the plug has been damaged B Objects have fallen on or liquid has been spilled into the unit C The appliance has been exposed to rain or water D The fixture does not appear to operate normally or exhibits a marked change in performance Introduction Introduction Congratulations and thank you for purchasing this American Audio ELX Series amplifier This amplifier is a represen tation of American Audio s continuing commitment to produce the highest quality products at an affordable price Please read and understand this manual completely before attempting to operate your new amplifier This booklet contains important information concerning the proper and safe operation of your new amplifier Unpacking
23. ur speakers to the outputs on the rear of the amplifier Be sure that your front gain controls are turned down to their lowest level full counter clockwise Turn your amp on Turn your input source level up Use your front gain controls to regulate the output volume Be sure not to raise the volume to the clip level however an intermittent clip signal is acceptable Mono Bridge Operation Page 13 Figure 10 details a mono bridge set up Be sure your amplifier and all other audio equipment is powered down Flip the Stereo Parallel Bridge switch to the Bridge position Connect an input signal to channel one Connect your speaker across the red output binding post on the rear of your amplifier Turn your equipment on your amplifier should always be the last item you turn on Apply an input source signal to your amplifier Turn channel two gain up Use the channel one gain to regulate your amplifier output A Bridged Mono Mode Caution The voltage across the output terminals of a bridged ELX Series amplifier may equal or exceed 100 volts RMS and may be as high as 130 volts Use fully insulated CLASS ONE wiring and the load must be rated for up to 2500 watts 4 ohms American Audio www americanaudio us ELX Series Power Amplifier User Manual Page 10 PROTECTION Thermal Protection the amplifiers operating temperature runs over 105 C 221 F the amplifier will go into thermal protection to prevent damage from over heating The Protect I
24. z Dimensions 19 x 13 75 x 3 5 19 x 13 75 x 3 5 LxWxH 483 x 345 x 88mm 2 Rack Mount Spaces 483 x 345 x 88mm 2 Rack Mount Spaces eight 23lbs 10Kgs 25155 11Kgs American Audio www americanaudio us ELX Series Power Amplifier User Manual Page 16 ELX Series SPECS AC 100V 50 60Hz Ve Colombia U S A and Canada Mexico Chile and Argentina Philippines and Korea Europe New Zealand South Africa and Singapore Australia and U K ELX 4000 2 x 260W RMS per Channel 8 Ohms 1KHz 1 THD 2 x 400W RMS per Channel 4 Ohms 1kHz 1 THD 800W RMS 8 Ohms 1kHz 1 THD Bridge Mode Mono otal Harmonic Less Then 0 1 20Hz 20kHZ 8 Ohms Distortion THD Frequency 20Hz to 20KHz 1 0dB Response Damping Factor gt 150 f 1 KHz at 8 Q lew Rate 20V per usec mpedance 20K Ohms Balanced S N Ratio gt 95dB Crosstalk rated gt 65dB power output 8 Q at 1 kHz 9 x 13 75 x 3 5 LxWxH 483 x 345 x 88mm 2 Rack Mount Spaces eight 27lbs 12Kgs American Audio www americanaudio us ELX Series Power Amplifier User Manual Page 17 Follow Us On ba PB facebook com americandj twitter com americandj youtube com adjlighting American Audio World Headquarters 6122 S Eastern Ave Los Angeles CA 90040 USA Tel 323 582 3322 Fax 323 725 6100 Web www AmericanAudio us E mail info americanaudio us American DJ Europe Junostraat 2 6468 EW Kerkrad
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