ATA Amplifiers Manual
Contents
1. FULL RANGE FULL RANGE SPEAKERS STEREO LINE INPUT 2 6 6 cj Ec El E EE Ej ge 58 og 5 o of 03 c1 te a E 05 Her BATTERY 12v Ti VIAFUSE pd REMOTE TURN ON jii 48 CHASSIS GROUND MONO This application illustrates the basic mono bridging method for all Autotek amplifiers Interconnect cable checklist A MONO signal source is required such as would be available from the mono sub bass output of an active crossover whether stand alone or built into a head unit or equalizer Important Do not be tempted to connect the hot or positive outputs from any source together to obtain a mono signal as this could very well damage the output stage of that source Itis necessary to feed the SAME signal to both left and right inputs via a Y adapter RCA cable Connect the mono speaker positive terminal to the RIGHT and its negative terminal to LEFT FULL RANGE Switch setting checklist The AMPLIFIER X OVER switch should be in the LPF position and the MODE should be in the MONO position Crossover frequency control setting checklist LPF 11 o clock Minimum final loudspeaker impedance 4ohm mono MONO SPEAKER MONO LINE INPUT j VIA Y ADAPTER 2 6 6 FROM MONO SOURCE RIGHT SPEAKER OUTPUT BRIDGED fun2. STEREO LINE 8 INPUTS a 2 ohm per channel FULL RANGE i SPEAKERS E gt FULL RANGE SPEAKERS TO BATTERY 12v VIA FUSE B REMOTE TURN ON 8 amp 9 chassis GROUND 2 or 3 CHANNEL SYSTEM Here we show how to use the 4 channel amplifiers as a 3 channel unit by taking advantage ofthe mono bridging capability of all Autotek amplifiers The following example shows how to create a 3 channel system by mono bridging channel pair 3 4 In order to create a 2 channel system simply follow the example to also mono bridge channel pair 1 2 Interconnect cable checklist MODE Setat 3CH Connect the inputs of channel pair 1 2 to a suitable stereo source e g a head unit with good quality RCA cables AMONO signal source is required to bridge channel pair 3 4 such as would be available from the mono sub bass output of an active crossover whether standalone or built into a head unit or equalizer If you only have 1 set of RCA outputs from your headunit you can simply connect those to the inputs for ch 1 2 and switch the MODE to 2ch The amplifier will auto sum the signal and provide mono output for bridged channels 3 4 Important Do not be tempted to connect the hot or positive outputs from any source together to obtain a mono signal as this could very well damage the output stage of that source It is necessary
3. TO BATTERY 12v FUSE 48 0 CHASSIs GROUND The HIGH LEVEL inputs used when the radio CD player does have RCA cable outputs You can connect the radio CD player speaker wires directly to the amplifier via the high Level Inputs Use this connector for 2 CH amplifiers GRAY CH 1 Speaker Input BROWN CH 1 Speaker input Black Chassis Ground GREEN CH 2 Speaker Input White CH 2 Speaker Input Use both connectors for 4 CH amplifiers ORANGE CH 3 Speaker Input PINK CH 3 Speaker input Black Chassis Ground BLUE CH 4 Speaker Input YELLOW CH 4 Speaker Input 1000 4 1400 4 2000 4 FOUR CHANNEL AMPLIFIER APPLICATIONS 4 CHANNEL FULL RANGE SYSTEM Here we show how to use the 4 channel amplifiers as straight forward discrete 4 channel full range units The MODE switch should be in 4CH Interconnect cable checklist Connect the four inputs of the amplifier to a Radio CD with quality RCA cables Switch setting checklist 1 2CH X OVER FULL 3IACH X OVER FULL Crossoverfrequency control checklist Channels 1 2 HIPASS N A LOW PASS Channels 3 4 HIPASS N A LOWPASS N A Levelcontrol checklist Refer to the section Setting up systems after installation for best performance Minimum final loudspeaker impedances FULL RANGE cif
4. SPEAKERS FULL RANGE BATTERY 12v STEREO LINE 3S REMOTE TURN ON INPUTS lt f 8 e cassis GROUND lt J INTERCONNECT RCA CABLE MONO SPEAKER ri 3 100 3NI1 p o ddl 395 8 78 31 hi e 6 9855 3008 MaAOX TO BATTERY 12v e VIA FUSE SH REMOTE TURN ON Git CHASSIS GROUND REM BATT 2V POWER INPUT 3v E GND 1200 1 2000 1 MONO AMPLIFIER APPLICATION Basic application These sub bass amplifiers can be used in any of the bi amplification systems described in this manual replacing the 2 channel amplifiers as per the illustrations Interconnect cable checklist Connect the inputs to a suitable source e g a head unit with good quality RCA cables Connect the LINE OUT to the inputs of the system highs amplifier Use at least 12 gauge speaker wiring The amps have dual speaker terminals simplifying the hookup of multiple speakers These amps are mono 1 channel amplifiers which have multiple positive and negative connections for ease of wiring The 2 positives are the same internally and the 2 negatives are the same internally Crossover frequency control checklist LOW PASS 40Hz to 150Hz SUBSONIC 15 Hz to 55 Hz BASS EQ 0 to 12dB Level control checklist Refer to the section Setting up system
5. Use of MAXXLINK products ensures that your amplifier will deliver maximum performance for years to come Maxxsonics is so confident in this amplifier installed properly with a qualifying MAXXLINK amp kit you can add up to 12 months of additional warranty coverage to this amplifier For more information please check out MAXXLINKAudio com Warranty Check out all the MAXXLINK products for your installation at MAXXLINKAudio com TREAD LOUDLY INDEX PPAGE 1 1111 1 11 114111 110 6 011 1 Amplifier Feature Descriptioris i 3 ecce a elite erre cer ires vei aee eant i 2 2 CHANNEL AMPLIFIER APPLICATIONS kareke ra kareke Ha Ha itte 3 Full range stereo mono A CHANNEL AMPLIFIER APPLICATIONS irritare e raye 4 5 4 3 and 2 channel operation front rear high pass using a 2 channel model for mono sub bass 1 CHANNEL AMPLIFIER APPLICATIONS eade repe a a ERU rr 6 Basic mono amplifier application Features and Specifications si ctetuer eene ccr re re re RC RC UR Fea eR eR epe Pe PR Pe rrr REED ERA n 7 Setting Up Systems After Installat
6. Power up the system The following procedure may seem like overkill but there is nothing more frustrating when turning on a system for the first time and it does not work properly immediately First make sure the head unit is off and turn all level controls to minimum counterclockwise including the head unit volume control Set all equalizers to 0 dB no boost and all crossover frequency controls at approximate frequencies as recommended by the loudspeaker manufacturer Set all input selector and crossover switches as required for the application Remove all amplifier fuses and insert the main fuse at the battery If the fuse does not blow you can insert the fuse in one of the amplifiers and we are ready to turn on the system Turn the head unit on insert a CD or select a radio station and increase the head unit volume control If the system sounds fine turn off the head unit and install fuses in the remaining amplifiers one by one till the complete system is powered up and functioning properly AMPLIFIER DESCRIPTIONS Each model is capable of 4 8 2 Ohms stereo per channel or 4 Ohms mono bridged operation except tine mann amps faults indicated by the red PROTECT LED which are capable of 4 2 and 1 Ohm loads CAUTION DO NOT OPERATE ANY AMPLIFIER BELOW THE INTENDED IMPEDANCE YOU WILL CAUSE The input sensitivities for rated output powers are variable from 0 2V 10 6V DAMAGE TO THE AMPLIFIER THAT WILL NOT BE COVER
7. UT D TEK TREAD LOUDLY ATA SERIES AMPLIFIERS 8 0 2 1 200 2 2000 2 1 4 1 400 4 2000 4 1 200 1 2000 1 SERIES AMPLIFIERS Congratulations on your purchase thank you for supporting Series products been designed to a very high level of performance with features unavailable in similarly priced amplifiers These amplifiers have variable crossovers built in with added touches such as subsonic filter bass equalization and a remote Level control module some models that allows subwoofer Level control from the drivers seat The multi channel models have kept your factory headunit and existing controls in mind by offering high level inputs which allow for your OEM radio to remain in place Please read through this manual completely as we have compiled a guide that will keep you on the road and enjoying your music for years to come The car audio professionals at Maxxsonics recommend that you only use one of the MAXXLINK amplifier installation kits to install this amplifier The MAXXLINK amplifier installation kits are designed to deliver proper power and fusing to the amplifier from the vehicles electrical system Additionally the kit includes signal cables RCA s that are designed to reject noise and improve signal quality from the source unit to the pre amplifier section This amp is going to sound unbelievable
8. to choose Stereo for full range 2 channel operation or MONO for bridging operation HIGH INPUT If your radio CD player does not have unbalanced RCA outputs you can use the HIGH level wire inputs LINE INPUT The line input accepts unbalanced RCA inputs from 0 2V to 6V LINE OUTPUT The line output passes through signal from the line inputs which allows you to daisy chain multiple amplifiers from one signal Note thatthe LOW PASS signal is MONO Inthe LPF position the HIGH PASS filter acts as asubsonic filter When the LPF mode is selected a 0 to 12dB at 45Hz BASS EQis also switched in ATA1000 4 ATA1400 4 2000 4 FOUR CHANNEL AMPLIFIERS 47007 E OUTPUT E Designed and Engineered in the U S A LINE INPUT X OV LPF HPF BASS EQ LeveL MODE CH2 bal O O O OL C FULL LPF HPF 2 8 O O 30Hz 250Hz 60Hz 12KHz 048 948 6V 0 2 X OVER LPF HPF BASS EQ LEVEL E f 5 g O Q CH3 RESEREY FULLLPFHPF 30iz 2505 1205 948 6V 0 2 The4channelampshavethesamefeatures as the 2 channel models accept that there 2 sets of controls 1setforchannels1 amp 2and1setforchannels3 amp 4 In addition the 4 channel models have a Mode switch which allows you to select 2 3 or 4 channel operation Switch to 2 channel if you only have 1 set of RCA s in CH 1 2 and the unit will automatically supply signal to channels 3 4 Sel
9. to get more specific on the settings for your amplifier Subsonic This setting acts as a low frequency cut off for your system bass reproduction The point that you set it at cuts off any frequencies from reproduction beyond this point The 12 o clock position is a great starting point EXAMPLE If you adjust the Subsonic to 25Hz the amplifier will not play frequencies below 25Hz but will play frequencies from 25Hz to the chosen Low Pass frequency Bass Boost This setting is a fixed bass boost at 45Hz that is variable from 0 12dB This feature provides impact to your bass but if not adjusted correctly it can be over used and cause damage to your subwoofers and amplifiers It is best to slowly turn this setting clockwise until the desired punch is felt It is not recommended to exceed the 12 o clock position unless listening at a low volume or a low recording quality as this can result in high distortion and possibly clipping Low Pass The LPF control acts as a ceiling and doesn t allow frequencies to the right of the desired setting to be reproduced The 12 o clock position is a great starting point EXAMPLE If you adjust the Low Pass to 80Hz the amplifier will not play frequencies above 80Hz but will play frequencies from 80Hz to the chosen Subsonic frequency Level Control Setup Ensure that the Level is turned completely to the left prior to turning the system on Next you should insert a CD or cassette that you are familiar with to use as
10. 9 45 ees LL ZA 7 4 CHANNEL MONO BLOCK FEATURES MAXX Output Power Rating fom EEES General Specifications 15Hz 150Hz Yes Crossover Operation 40Hz 150 2 15Hz 55Hz Line Gut Yves es Yes O Yes TT Balanced Input Din Jack No No fe Mis cellaneou s 10 24 x 2 08 x 9 45 11 02 x 2 08 x 9 45 12 6 x 2 08 x 945 9 05 x 208 x 9 45 15 75 x 2 08 x 9 45 _ 7 Vzv 5 2 2 2 2 4 1 2 GN JI Note features subjecy to change with out notice SETTING UP SYSTEMS AFTER INSTALLATION FOR BEST PERFORMANCE 2 amp 4 Channel Amplifiers General At this point you are ready to get more specific on the settings for your amplifier High Pass When in HPF operation this setting acts as a low frequency cut off for your system reproduction The point that you set it at cuts off any frequencies from reproduction beyond this point The 12 o clock position is a great starting point EXAMPLE If you adjust the HPF to 100Hz the amplifier will not play frequencies below 100Hz but will play frequencies from 100Hz to the highest frequency the amplifier is capable of reproducing When in LPF operation this setting acts as a low frequency cut off for your system reproduction aka Subsonic Filter The point that you set it at cuts off any frequencies from reproduction beyond this point The 12 o clock position is a great start
11. ED UNDER THE WARRANTY PRINTED IN THE BACK Allcrossovers are fully variable in their respective ranges OF THE MANUAL 2 amp 4 Channel amps are capable of 4 and 2 Ohms wired stereo and 4 Ohms wired mono Crossover filters are 12dB Octave bridged Certain mono amps capable of 4 2 and 1 Ohm and others are only capable of 4 amp 2 0tms APOWER LED indicates the powered up and tumed on condition Be sure to check the specifications matrix for specific mode impedance capabilities All Autotek amplifiers feature a comprehensive diagnostic system with speaker lead short circuil and amplifier DC 800 2 ATA1200 2 2000 2 TWO CHANNEL AMPLIFIERS LINE OUT LINE INPUT Designed and Engineered in the U S 7 TR P LEVEL BASSEQ E MODE ie al E Oo O O 2 FULLLPF HPF MONO STEREO 0 2V 0948 9dB 60Hz 12KHz 30Hz 250Hz vU M QUU C The X OVER slide switch selects the internal crossover functions The input signal is routed directly to the LINE OUT RCAjacks regardless of the X OVER setting simplifying daisy chaining of amplifiers HPF Selects the builtin HIGH PASS filter variable from 60 Hz to 1 2kHz FULL Bypasses all crossovers for full frequency range operation LPF Selects the builtin LOW PASS variable from 30 Hz to 250Hz BASS EQ Adjustable 45Hz bass boost from 0dB to 1248 MODE The mode switch allows you
12. a reference and turn tthe head unit volume control to about 80 of its setting The system sound level will of course be very low and the following procedures will help you to match the amplifier input sensitivities properly to the head unit output signal level It is important to match the amplifier LEVEL input sensitivity to the Radio CD output sensitivity This can be located the Radio CD manual If the Radio CD output sensitivity is 2 volts then adjust the amplifier LEVEL input to 2 volts If you are not sure what the Radio output sensitivity is follow these general guide lines Tum the level control up slowly till you hear distortion then back off a few degrees on the control If at any point your amplifier goes into protection yol will need to turn the Level to the a bit and then try again If you reach a point where the output does not increase stop turning the Level control to the right as the amplifier suby output in this application Sit back and enjoy the music TROUBLESHOOTING SYSTEM The key to finding the problem in a misbehaving sound system is to isolate parts of that system in a logical fashion to track down the fault Description of the PROTECT system built into all Autotek amplifiers The diagnostic system will shut down the amplifier until reset by turning the head unit off and back on This state of affairs will be indicated by the front panel PROTECT LED lighting up under the following conditi
13. auge power cable and ground cable using the chart below as reference to what size wire you require Street Machine series amplifiers require at least 4 gauge power wire In a multi amplifier system add the total value of the manufacture recommended fusing to get your total system amperage Some applications may require multiple runs of power wire to meet the system requirements In multi amplifier systems it is advisable to mount a large enough fuse right at the battery and run one or multiple 12 volt power cables to a fused distribution block near the amplifiers It is then a simple matter to connect the 12 volt terminal of each amplifier to the distribution block During this process please ensure that the main power fuse is removed to avoid shorting the electrical system The main fuse must be within 12 of the vehicles battery Ground each amplifier with as short a ground lead as possible directly to the vehicle chassis using at least 4 gauge wire or equivalent to the size of the amplifiers power wire Use a ground distribution block if you wish but it is extremely important to keep the main ground lead from this distribution block to the chassis as short as possible not more than 12 The ground connection integrity to the chassis is very important and the best way to achieve a good solid electrical and mechanical contact is to use a large round crimp lug crimped and soldered to the ground cable The next step is to scrape the paint off the vehi
14. cle chassis slightly larger than the ground lug at the connection point Drill a clearance hole in the chassis the same size as the lug hole and use a bolt spring washer and nut to securely fasten the ground lug Use petroleum jelly to coat the bolt lug connection to prevent oxidization with time TIP Use the same approach when installing head units equalizers or any audio equipment for that matter run short individual grounds from each piece directly to the vehicle chassis to minimize ground loops and system noise All power ground and speaker connections should be crimped and soldered for reliability Make sure that none of the cable insulation can chafe against exposed metal in the vehicle causing short circuits to the chassis WIRE LENGTH AMPERAGE NOTE This Matrix is a general rule wm e e a a f a f ofthumb Please refer to the E JN HEBE EN EEE XEL EL SEN EI a aka peus a 2 e e an be found on page 7 puse 51 50 10 Safe sequence After all cables are run connect speaker wires to the speakers and amplifiers then run and plug in RCA cables Next connect all power ground and remote turn on leads Now connect all 12 volt cables to the amplifier s and distribution blocks and fuse holders Finally connect the main 12 volt cable to the battery with the main fuse removed and we are almost ready to power up the system 9 9 3
15. d as a result of insufficient or improper packing materials are not covered by this limited warranty and such damaged product will be returned as is at the expense of the owner FOR EXTENDED WARRANTY INFORMATION PLEASE VISIT WWW MAXXWARRANT Y COM MAXXSONICS Designed and Engineered in the USA www maxxsonics com MAXXSONICS MBOUARTI auTOTEK HIFONIC CRUNCH WWW MAXXSONICS COM 847 540 7700
16. djust the crossover filter from 15Hz to 55Hz LOWPASS Allows yo to adjust the LOW PASS crossover filter from 40Hz to 150Hz LEVEL Adjusts the input sensitivity from 0 2 volts to 6 volts BASSBOOST 45Hz bass boost adjustable from Odb to 1208 REMOTE CONTROL This is the input jack for the remote Level control LINEINPUT The line input accepts unbalanced RCA inputs from 0 2V to 6V LINE OUTPUT The line output passes through signal from the line inputs which allows you to daisy chain multiple amplifiers from one signal The ATA1200 1 is capable of 4 amp 2 Ohm loads not 1 Ohm The ATA2000 1 is capable of 4 2 amp 1 Ohm loads Operating the amp below the capable impedance can cause damage to the amp not covered in the warranty 800 2 1200 2 2000 2 TWO CHANNEL AMPLIFIER APPLICATIONS FULL RANGE STEREO This is the most basic application for the 2 channel amplifiers 1 Interconnect cable checklist Connect the LINE INPUTS to the Radio CD with good quality RCA cables 2 Crossover Switch The X OVER switch must be in the FULL position 3 Crossover frequency control checklist N Aforfull range operation 4 MODE Should be inthe STEREO position 5 Line Level Refer to the section Setting up systems after installation for best performance NOTE Minimum final loudspeaker impedances 4 amp 20hms stereo mode or 4 Ohms mono mode This amplifier will not do 1 Ohm stereo or 2 1 Ohm mono operation
17. ect 3 channel when you only have RCA s CH 1 2 but plan to run channels 3 4 bridged Select 4 channel if you are providing RCA s to channels 1 2 and 3 4 The X OVER slide switch selects the internal crossover functions The input signal is routed directly to the LINE OUT RCAjacks regardless of the X OVER setting simplifying daisy chaining of amplifiers HPF Selects the built in HIGH PASS filter variable from 60 Hz to 1 2kHz FULL Bypasses all crossovers for full frequency range operation LPF Selects the builtin LOW PASS variable from 30 Hz to 250Hz BASS EQ Adjustable 45Hz bass boost from OdB to 12dB LINEINPUT The lineinput accepts unbalanced RCA inputs from 0 2V to 6V LINE OUTPUT The line output passes through signal from the line inputs which allows you to daisy chain multiple amplifiers from one signal Note that the LOW PASS signal is MONO Inthe LPF position the HIGH PASS filter acts as a subsonic filter When the LPF mode is selected a 0 to 12dB at 45Hz BASS EQis also switched in ATA1200 1 ATA2000 1 MONO BLOCK AMPLIFIERS UO fo and Engineered the U S A LINE OUT LINE INPUT POWER xus de Low ogri O 08 898 15Hz 55Hz 40Hz 150Hz 02V 96598 5 The LINE INPUT signal is routed directly to the LINE OUT RCA jacks regardless of the X OVER setting simplifying daisy chaining of amplifiers SUBSONIC Allows you to a
18. er the amplifier to be free from defects in material and workmanship for one 1 Year from date of purchase All other parts and accessories of the system are warrantied to be free from defects in material and workmanship for one 1 year from date of purchase Maxxsonics will repair or replace at it s option and free of charge during the warranty period any system component that proves defective in materials and workmanship under normal installation use and service provided that the product is returned to the authorized Maxxsonics dealer from where it was purchased A photo copy of the original receipt must accompany the product being returned Valid purchase receipts will contain the name and address of the authorized reseller Any damage to the product as a result of misuse abuse accident incorrect wiring improper installation alteration of date code or bar code labels revolution natural disaster or any sneaky stuff because someone messed up repair or alteration out side of our factory or authorized service centers and any thing else you have done that you should not have done is not covered This warranty is limited to defective parts and specifically excludes any incidental or consequential damages connected therewith This warranty is not to be construed as an insurance policy Warranty on installation labor removal re installation and freight charges are not the responsibility of Maxxsonics USA Inc Warranty products damage
19. gether a full system with front and rear highs with mono sub bass Interconnect cable checklist Using good quality RCA cables feed the front and rear outputs of a head unit to the inputs of the 4 channel amplifier as shown Also connect the LINE OUT of the 4 channel amplifier to the LINE INPUT of the 2 channel amplifier as shown Mono bass woofer wiring Connect the mono speaker positive terminal to the LEFT and its negative terminal to RIGHT Switch setting checklist 4 channel highs amplifier 1 2CH X OVER HPF 3 4CH X OVER HPF 2 channel bass amplifier X OVER switch LPF Crossover frequency control checklist 4 channel highs amplifier Channels 1 2 HI PASS 100 Hz LOW PASS N A Channels 3 4 HI PASS 100 Hz LOW PASS N A 2 channel bass amplifier HI PASS Subsonic filter 10 Hz to 40 Hz LOW PASS 80 Hz Please note that these frequency points are suggestions only Refer to the loudspeaker manufacturer specifications and the section Setting up systems after installation for best performance Level control checklist Refer to the section Setting up systems after installation for best performance Minimum final loudspeaker impedances 2 ohm per channel in stereo mode 4 ohm mono bridged FULL RANGE 12 SPEAKER OUTPUT SPEAKERS E FULL RANGE cm E T
20. ing point EXAMPLE If you adjust the HPF to 60Hz the amplifier will not play frequencies below 60Hz but will play frequencies from 60Hz to the chosen Low Pass frequency When in FULL operation the LPF crossover is bypassed Bass EQ This setting is a fixed bass boost at 45Hz that is variable from 0 12dB This feature provides impact to your bass but if not adjusted correctly it can be over used and cause damage to your speakers and amplifiers It is best to slowly turn this setting clockwise until the desired punch is felt It is not recommended to exceed the 12 o clock position unless listening at a low volume or a low recording quality as this can result in high distortion and possibly clipping Low Pass The LPF control acts as a ceiling and doesn t allow frequencies to the right of the desired setting to be reproduced Turning the potentiometer all the way to the right is a great starting point EXAMPLE If you adjust the LPF to 120Hz the amplifier will not play frequencies above 120Hz but will play frequencies from 120Hz to the chosen Hi Pass or Subsonic frequency When in HPF operation this setting is bypassed Level Control Setup Ensure that the Level is turned completely to the left prior to turning the system on Next you should insert CD or cassette that you are familiar with to use as a reference and turn head unit volume control to about 80 of its full setting The system sound level will of course be very low and the foll
21. ion For Best Performance tastes testes titres share tis AA KA KAK AHAA 8 Troublesheotirig and DIagnoSti6s osea RERO 9 RoductWarranty ono etie an 10 Check out our videos of new products events and technical tutorials at www youtube com maxxsonicsusainc 2012 Maxxsonics USA Inc All rights reserved All Maxxsonics USA Inc trademarks including Maxxsonics the M Logo the Maxxsonics logo and MAXXLINK are owned by Maxxsonics USA Inc Use of the in connection with a mark of Maxxsonics USA Inc indicates that the mark is registered in at least the United States GENERAL INSTALLATION PROCEDURE System Design The success of any car stereo system relies on several factors such as the system design execution of the installation and system setup Please remember that any system is only as good as its weakest link Please remember that higher power systems are not necessarily useful purely for high sound pressure levels but also to establish a headroom capability to reproduce musical peaks cleanly without distortion Lower power amplifiers will clip earlier than their more powerful cousins and cause loudspeaker fai
22. lt supply and ground Remember to isolate the problem first unplug amplifier input RCA cables ifthe noise is still present check the speaker leads if not plug the RCA s back and investigate the source driving the amplifier one component ata time Aticking or whine that changes with engine RPM 1 This problem could be caused by radiation pickup of RCA cables too near to a fuel pump or a distributor for instance relocate cables 2 Check that the head unit ground is connected straight to the vehicle chassis and does not use factory wiring for ground 3 Try to supply the head unit with a clean 12 volt supply directly from the battery instead of using a supply from the in dash wiring fusebox Aconstant whine This type of noise can be more difficult to pinpoint but is usually caused by some kind of instability causing oscillations in the system 1 Checkall connections especially for good grounds 2 Make sure that no speaker leads are shorting to exposed metal on the vehicle chassis 3 RCAcables are notorious for their problematic nature so check that these are good in particular the shield connections We have also provided several videos that will help you with your battery alternator and even Big 3 upgrades at www youtube com maxxsonicsusainc Maxxsonics Limited Warranty As the manufacturer of Maxxsonics MB Quart Autotek Crunch and Hifonics car audio products Maxxsonics USA Inc Warrants to the original consumer purchas
23. lure when overdriven due to the harmonics generated by a clipped signal thus overheating voice coils Amplifiers should be mounted with the fins running horizontally for best convection cooling to minimize overheating Purchase the best quality RCA cables you can afford for reliability and less engine noise interference in the audio system Installation Y WOOD It is highly recommended that the amplifier be mounted to a board of MDF or other solid structure using the 4 mounting screws provided Avoid mounting the ay amplifier to metal as this can introduce noise and other unwanted issues When mounting the amplifier ensure that it is mounted HORIZONTALLY as shown the diagram above for optimal heat dissipation Mounting amplifiers to speaker enclosures is not recommended as this can cause damage to the amplifier components When choosing a location for T T mounting the amplifier ensure that you check for clearance from wires gas tank electrical devices brake lines etc General Run the wiring so that RCA cables are at least 18 away from power and speaker cables Keep RCA cables away from electrical devices in the vehicle that can cause electrical noise such as electric fuel pumps emission control modules and other on board electronic modules T T Power and ground connections see the features matrix on page 7 for proper gauge cables per amplifier Use a sufficient g
24. ns Fuses blowing 1 The use of loudspeaker impedances below the recommended minimums will draw more current check 2 Ashorton the main 12 volt cable from the battery to the vehicle chassis will cause the main fuse to blow 3 Ifan amplifier fuse blows continually with only 12 volt ground and remote leads connected the amplifier may be faulty System does not turn on 1 Checkall fuses 2 Check all connections 3 Measure the 12 volt and remote turn on voltages at the amplifier terminals If these are non existent or low take voltage measurements at fuse holders distribution blocks the head unit s 12 volt and remote leads to localize the problem Noise problems System noise can be divided into two categories hiss and electrical interference Hiss or white noise 1 High levels of white noise usually occurs when amplifier level controls are turned up too high readjust according to the procedures in section Setting up systems after installation for best performance 2 Another major problem that can cause excessive hiss is a noisy head unit unplug the amplifier input RCA cables and ifthe hiss level reduces the source unit is at fault Electrical interference The inside of an automobile is a very hostile electrical environment The multitude of electrical systems such as the ignition system alternator fuel pumps air conditioners to mention just a few create radiated electrical fields as well as noise on the 12 vo
25. ons 1 Asort circuit on the loudspeaker leads 2 An internal amplifier fault that causes a DC offset on the loudspeaker output Should the amplifier go into protect mode simply disconnect all RCA and speaker leads while keeping 12 volt power ground and remote leads connected 1 Now turn the amplifier back on and if the diagnostic LED lights the amplifier has an internal fault 2 lf not plug the RCA cables back and reset the amplifier lf it goes into diagnostic now the fault lies in the input either with bad cables or source unit 3 If the amplifier seems fine with RCA cables plugged in connect the speakers one at a time and if one of the speakers or its wiring is faulty it will activate the diagnostic system Amplifier heatsink overheating The amplifiers will shut down when the heatsink temperature reaches 80 degrees centigrade and turn back on once the unit has cooled down below that point Causes of overheating 1 Inadequate cooling relocate or remount to provide better natural airflow over the fins 2 Driving high power levels into low impedances back off on the volume control and or make sure you are not loading the amplifier with less than the recommended loudspeaker impedance Low output power 1 Check that level controls have been set up properly 2 Make sure that the battery voltage as measured at the amplifier s 12 volt and ground terminals is 11 volts or more 3 Check all 12 volt and ground connectio
26. owing procedures will help you to match the amplifier input sensitivities properly to the head unit output signal level It is important to match the amplifier LEVEL input sensitivity to the Radio CD output sensitivity This be located in the Radio CD manual If the Radio CD output sensitivity is 2 volts then adjust the amplifier LEVEL input to 2 volts If you are not sure what the Radio output sensitivity is follow these general guide lines Tum the level control up slowly till you hear distortion then back off a few degrees on the control If at any point your amplifier goes into protection you will need to turn the Level to the left a bit and then try again If you reach a point where the output does not increase stop turning the Level control to the right as the amplifier speaker combo has reached its maxx output in this application 2or3 way active systems all Always start with the bass or low frequency amplifier as a reference by turning its control up to the point where distortion is audible and back it off some Now adjustthe level control for the highs ortweeter channels in a 2 way active system to balance the highs to lows In a 3 way active system match the midrange level to the bass and then the highs to the midrange and bass It may be necessary to perform a few iterations of the midrange and highs level control settings to achieve a satisfactory sound balance Mono Amplifiers General At this point you are ready
27. s after installation for best performance Minimum final loudspeaker impedance ATA1200 1 is capable 4 amp 2 Ohms not capable of 1 Ohm ATA2000 1 is capable of 4 2 amp 1 Ohm MONO SUBWOOFER B 88 38 EIE p NUES 6666 KEE Z2 y 9 5 BE LM BATTERY 12v DESIGNATED EM 3 VIAFUSE MONO OUTPUT 5 TURN ON FROM HEAD UNIT GJL_ ______ cHASSIS GROUND m e Iso ou PARALLEL MONO tee SUBWOOFERS 69 i 2 OHMS EACH MINIMUM a a 1 5 e asa EUM N FULLRANGE STEREO LINE INPUT Y ADAPTOR B gt NOT USED Note You can use the Radio CD designated mono line output or a full range stereo line output For full range stereo line output you will need an optional Y Adaptor as shown FEATURES Output Power Rating General Specifications Cro ssover Operation Lneot hm Yes T Ye 00300 Unbalanced Input RCA Jack Yes Balanced Input Din Jack No No Miscellaneous Power Terminal 7 09 x 2 08 x 9 45 7 87 x 2 08 x 9 45 9 84 x 2 08 x
28. to feed SAME signal to both left and right inputs via Y adapter RCAcable Connect the mono speaker positive terminal to the LEFT and its negative terminal to RIGHT as shown Switch setting checklist 1 2CH X OVER FULL 3IACH X OVER LPF Crossover frequency control checklist Channels 1 2 HIPASS N A LOW PASS Channels 3 4 HIPASS N A LPF 11 o clock TIP If you are using the mono sub bass output of an active crossover there is nothing wrong with switching in the low pass filter in these amplifiers for a steeper low pass rolloff Level control checklist Refer to the section Setting up systems after installation for best performance Minimum final loudspeaker impedances 2 ohm per channel in stereo mode 4ohm mono bridged FULL RANGE II STEREO LINE lt INPUTS 4 1 IO ee MONO LINE INPUT E i Unless using procedure 4 listed above for 3ch MONO 5 E e 8 Bi FULL RANGE SPEAKERS A He TO BATTERY 12v FUSE REMOTE TURN ON 8 S crassis GROUND 1000 4 14000 4 2000 4 FOUR CHANNEL AMPLIFIER APPLICATIONS Front Rear high pass using 2 channel amplifier for sub bass The combination of a 2 and a 4 channel amplifier utilizing their built in crossovers makes it a snap to put to
Download Pdf Manuals
Related Search