Autotek AXL1050.2 audio amplifier
Contents
1. sna sa sara se asas anna 11 12 Be sure to check us out at www youtube com maxxsonicsusainc for product reviews and tutorials for getting the most out of your audio system 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 failure 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 12. amod 538 1 33 PART A1112 5 MBOUARTI lt 5 WWW MAXXSONICS COM 847 540 7700
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4. 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 forfull frequency range operation LPF Selects the builtin LOW PASS variable from 30 Hz to 250Hz MODE The mode switch allows you 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 AXL1050 2 AXL1650 2 2 CHANNEL AMPLIFIERS LINE OUT LINE INPUT BASSEQ HPF LPF 9 o 0000 64 HI INPUT 02V oda 1248 1 250Hz FULL LPF HPF AXL3050 2 LINE OUT LINE INPUT BASSEQ 000 HIINPUT 02V odB 1298 1 2kHz30Hz 250Hz 0 6 Note that the LOW PASS signal is MONO In the LPF position the HIGH PASS filter acts as a subsonic filter When the LPF mode is selected a 0 to 12dB at 45Hz BASS EQ is also switched in The 4 channel amps have the same features as the 2 channel models except that there are 2 sets of controls 1 set for channels 1 amp 2 and 1 set for channe
5. 1 1 A Y 8 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 amplifier to metal as this can introduce noise and other unwanted issues When mounting the amplifier ensure that it is mounted HORIZONTALLY as shown in the diagram above for optimal heat dissipation Mounting amplifiers to speaker enclosures is not recommended as T this can cause damage to the amplifier components When choosing location for mounting the amplifier ensure that you check for clearance from wires gas tank electrical gj devices and 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 Power and ground connections see the features matrix on page 7 for proper gauge cables per amplifier Use a sufficient gauge power cable and ground cable using the chart below as reference to what size wire you require 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 enou
6. Speaker Input PINK CH 3 Speaker input Black Chassis Ground BLUE CH 4 Speaker Input YELLOW CH 4 Speaker Input AXL1050 2 AXL1650 2 AXL3050 2 2 CHANNEL AMPLIFIER APPLICATIONS Stereo high pass with mono low pass in a 2 way active or bi amplified system In this application we will use 2 channel amplifier for the high frequencies and a second one for the low frequencies or mono sub bass Please consult the speaker specifications to determine maximum amplifier power requirements Interconnect cable checklist Connect the inputs of the HIGHS amplifier to a Radio CD with good quality RCA cables Connect the LINE OUT of the HIGHS amplifier to the inputs of the BASS amplifier with a stereo RCAto RCAcable Mono bass woofer wiring Connect the mono speaker positive terminal to the LEFT and its negative terminal to RIGHT Switch setting checklist Highs amplifier X OVER switch in the HPF position MODE switch in the STEREO position Lows amplifier X OVER switch in the LPF position MODE switch in the MONO position Crossover frequency control checklist Highs amplifier HIPASS 100 Hz LOW PASS N A Lows amplifier HIPASS Subsonic filter 10 Hz to 40 Hz LOWPASS 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 Refertothe se
7. 2550 1 is capable of 4 2 amp 1 Ohm loads Operating the amp below the Ohm listed above can cause damage to the amp notcovered in the warranty AXL1050 2 AXL1650 2 AXL3050 2 2 CHANNEL AMPLIFIER APPLICATIONS FULL RANGE STEREO This is the most basic application for the AXL Series 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 The MODE switch must be in the STEREO position 3 Crossover frequency control checklist N A for full range operation 4 Line Level Refer to the section Setting up systems after installation for best performance NOTE Minimum final loudspeaker impedances 4 amp 2 Ohms stereo mode or 4 Ohms mono mode This amplifier will not do 1 Ohm stereo or 2 1 Ohm mono operation FULL RANGE STEREO LINE INPUT e e i FULL RANGE Et En TO BATTERY 12 volts VIA FUSE all E REMOTE TURN ON Mi 8 CHASSIS GROUND MONO This application illustrates the basic mono bridging method for all Autotek 2 channel amplifiers Interconnect cable checklist signal source is required such as would be available from the mono sub bass output of an active crossover whether stand alone or bu
8. OVER FULL MODE 3 CHANNEL Crossover frequency control checklist Channels 1 2 HI PASS N A LOW PASS N A Channels 3 4 HI PASS N A LOW PASS N A 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 Ohms per channel in stereo mode 4 Ohms mono bridged ICI MONO SPEAKER OR SUBWOOFER CH1 2 r Hes FULL RANGE oie SPEAKERS CH3 4 1 MONO i 1 STEREO e FULL RANGE LINE INPUTS pH E TO BATTERY 12 volts VIA FUSE M33 REMOTE TURN ON CHASSIS GROUND ica AXL1550 1 AXL2550 1 1 CHANNEL AMPLIFIER APPLICATION Basic application These sub bass amplifiers can be used in any ofthe bi amplification systems described in Crossoverfrequency control checklist this manual replacing the 2 channel amplifiers as per the illustrations LOW PASS 80Hz approximately 11 o clock SUBSONIC 35Hz approximately 1 o clock Interconnect cable checklist BASS EQ 12 o clock max 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 syst
9. RANGE STEREO LINE INPUTS FULL RANGE SPEAKERS TO BATTERY 12 volts VIA FUSE REMOTE TURN ON CHASSIS GROUND 2 or 3 CHANNEL FULL RANGE SYSTEM Here we show how to use the 4 channel amplifiers as full range 2 or 3 channel units by taking advantage of the mono bridging capability of all Autotek amplifiers The following example shows how to create a 3 channel system by mono bridging channel pair 1 2 In order to create a 2 channel system simply follow the example to also mono bridge channel pair 3 4 Interconnect cable checklist Connect the inputs of channel pair 3 4 to a suitable stereo source e g a head unit with good quality RCA cables MONO signal source is required to bridge channel pair 1 2 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 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 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 CH1 and its negative terminal to CH2 as shown Switch setting checklist 1 2 X OVER FULL 3 4 X
10. auTOTEK EVOLUTION OF POWER AMPLIFIERS AXL1050 2 AXL1650 2 AXL3050 2 1050 4 AXL1 450 4 AXL40 50 4 AXL 1550 1 AXL2550 1 AXL SERIES AMPLIFIERS Congratulations on your purchase and thank you for supporting AUTOTEK The AXL Series products have 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 Use of MAXXLINK products ensures that your amplifier will deli
11. ction Setting up systems after installation for best performance Minimum final loudspeaker impedances 2 Ohms per channel stereo 4 Ohms mono bridged FULL RANGE STEREO LINE INPUT FULL RANGE SPEAKERS TO BATTERY 12 volts VIA FUSE REMOTE TURN ON RB STEREO INTERCONNECT RCA CABLE CHASSIS GROUND MONO BASS SPEAKER m LL TO BATTERY 12 volts VIA FUSE 5 REMOTE TURN ON CHASSIS GROUND 7 AXL1050 4 AXL1450 4 AXL4050 4 4 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 Interconnect cable checklist Connectthe four inputs ofthe amplifierto a Radio CD with quality RCA cables Switch setting checklist 1 2CH X OVER FULL 3I4CH X OVER FULL MODE 4 CHANNEL Crossoverfrequency control checklist Channels 1 2 HIPASS N A LOWPASS N A Channels 3 4 HIPASS N A LOWPASS N A Level control checklist Refertothe section Setting up systems after installation for best performance Minimum final loudspeaker impedances 2 Ohms per channel FULL
12. em highs amplifier Level control checklist Refer to the section Setting up systems after installation for best performance Use at least 12 gauge speaker wiring The amps have dual speaker terminals simplifying the hookup of multiple speakers These are 1 channel amplifiers Minimum final loudspeaker impedance AXL1550 1 2 Ohms 2550 1 1 Ohm ou T MONO i SUBWOOFER TO BATTERY 12 Volts VIA FUSE 2 REMOTE TURN ON m CHASSIS GROUND MONOLINEINPUT VIA Y ADAPTER FROM SOURCE PARALELMONO SUBWOOFERS 2 OHMS EACH MINIMUM FULL RANGE STEREO LINE INPUT VABABTOR 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 POWER GND 80 906 CECX906 X el Lb CX 906 X 896 YOO In 21 Yo90 er Ing YOO 99 gpl Gel 0 7409 2461 2509 2807 m Our a 9000 98 78062740 ______ 0 7409 2401 THOS 2807 ______ po
13. 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 4 AMPLIFIER FEATURE DESCRIPTIONS AXL AMPLIFIERS Each multi channel model is capable of 4 amp 2 Ohms stereo per channel or 4 Ohms mono bridged operation The AXL1550 1 is stable at 4 amp 2 Ohms while the AXL2550 1 is stable at 4 2 amp 1 Ohm The input sensitivities for rated output powers are variable from 0 2 volts to 6 volts All crossovers are fully variable in their respective ranges Crossover filters are 12dB Octave APOWER LED indicates the powered up and turned on condition Autotek amplifiers feature a comprehensive diagnostic system with speaker lead short circuit and amplifier DC faults indicated by the red PROTECT LED CAUTION DO NOT OPERATE ANY AMPLIFIER BELOW THE INTENDED IMPEDANCE YOU WILL CAUSE DAMAGE TO THE AMPLIFIER THAT WILL NOT BE COVERED UNDER THE WARRANTY PRINTED IN THE BACK OF THE MANUAL slide switch selects the internal crossover functions The input signal is routed directly to the LINE OUT RCA jacks
14. gh 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 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 vehicle 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 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 p
15. iece 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 10 13 ft 13 16 ft NOTE This Matrix is a general rule of thumb Please refer to the manufacturers specific requirements AXL specifications can be found on page 7 390V9 Safe connection 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 12 volt cable to the battery with the main fuse removed and we are almost ready to power up the system 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
16. ilt 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 It is necessary to feed the SAME signal to both left and right inputs Y adapter RCA cable Connect the mono speaker positive terminal to the LEFT and its negative terminal to RIGHT Switch setting checklist The X OVER switch must be in the LPF position The MODE switch must be in the MONO position Suggested Crossover frequency control settings LPF 11 o clock BASS EQ o clock Minimum final loudspeaker impedance 4 Ohms mono 7 SH 6 e 5 SUBWOOFER a 6 i MONO LINE INPUT Y ADAPTER e FROM MONO SOURCE bos TO BATTERY 12 volts VIA FUSE a 1 REMOTE TURN ON i CHASSIS GROUND Me c e ell The HIGH LEVEL inputs are used when the radio CD player does not 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 Use both connectors for 4 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 ORANGE CH 3
17. ls 3 amp 4 In addition the 4 channel models have a MODE switch which allows for RCA signal routing and selection The X OVER slide switch selects the internal crossover functions The input signal is routed directly to the LINE OUT RCA jacks 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 built in LOW PASS variable from 30 Hz to 250Hz MODE The mode switch allows you to choose routing of signal within the amp 2CH Mode In this mode only inputs 1 amp 2 are used Input 1 left is internally routed to speaker terminals 1 amp 3 while input 2 right is internally routed to speaker terminals 284 This is useful when only a stereo source is available CH1 amp 2 can be set to high pass for highs and 84 to low pass for lows for instance or set to full range depending on the application 3CH mode In this mode input 1 amp 2 signals are internally mono mixed and routed as a mono signal to 1 amp 2 speaker terminals These outputs can be mono bridged into one speaker Set CH1 amp 2 to low pass Input 3 is internally routed to speaker terminal 3 and input 4 is internally routed to speaker terminal 4 Set CH38 amp 4 to high pass 4CH Mode In this mode each input is internally routed to the corresponding speaker terminals with input 1 to speaker te
18. rminal 1 etc 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 O O AXL1050 4 AXL1450 4 AXL4050 4 4 CHANNEL AMPLIFIERS O HPF _ BASSEQ LEVEL 5 54 iud O CHANNEL 1 2 CHANNEL Notethatthe LOW PASS signal is MONO In the LPF position the HIGH PASS filter acts as a subsonic filter When the LPF mode is selected a 0 to 12dB at 45Hz BASS also switched in SUBSONIC Allows you to adjust the crossover filter from 15Hz to 55Hz LPF 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 BASS EQ The Bass EQis adjustable from Odb to 12dB REMOTE This is the input jack for the remote Level control LINE INPUT The line input accepts unbalanced RCA inputs from 0 2V to LINE OUTPUT The line output passes through signal from the line inputs which allows you to daisy chain multiple amplifiers from one signal AXL1550 1 AXL2550 1 1 CHANNEL MONO BLOCK AMPLIFIERS BASS EQ SUB SONIC Low PASS LEVEI OUTPUT PUT 9 AXL1550 1 is capable of 4 amp 2 Ohm loads TheAXL
19. ver maximum performance for years to come MAXXLINKAudio com Warranty Check out all MAXXLINK products for your installation at MAXXLINKAudio com TREAD LOUDLY INDEX PAGE General Installation Procedure tenerte tnnte tentent tessuto stata testet ates tasses soto sesso 1 Amplifier Feature Descriptions e eiseeeeeeeeeeeee nenne nnne rnnt rnnt tnn tn tnra tn tarta natara tata ta tata tati tisse dea seta sos rosas son 2 AXL1050 2 AXL1650 2 AXL3050 2 2 CHANNEL AMPLIFIER APPLICATIONS esee nennen 34 Full range stereo Full range mono AXL1050 4 AXL1450 4 AXL4050 4 4 CHANNEL AMPLIFIER APPLICATIONS eese nter 5 4 2channelfull range 2 way active with mono bass front rear high pass using a 2 channel model for mono sub bass AXL1550 1 AXL2550 1 A B CLASS 1 CHANNEL AMPLIFIER 6 Basic mono amplifier application Features and Specifications eee eese 7 Setting Up Systems After Installation For Best Performance essent 8 Troubleshooting and Diagnostics 9 LET EN ERE OTIO DLE 10 Be sure to check outthe Maxxsonics Extended Limited Warranty Program on the bottom of the page MAXXLINK Accessor es creer rn
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