POWERZONE AMPLIFIERS
Contents
1. Addag img SUIJO 1E eDpug ouo UUO ETA sulyorp 6 amod NANO OIWYNAG 53411944 SETTING UP SYSTEMS AFTER INSTALLATION FOR BEST PERFORMANCE P500 2 P1100 2 P1400 2 P900 4 P1400 4 P1800 4 P5000 5 General At this point you are ready to get more specific on the settings for your amplifier High Pass When in Hi Pass 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 High Pass to 100Hz the amplifier will not play frequencies below 100Hz but will play frequencies from 100Hz to the chosen Low Pass frequency When in Low Pass Bandpass 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 starting point EXAMPLE If you adjust the High Pass to 25Hz the amplifier will not play frequencies below 25Hz but will play frequencies from 25Hz to the chosen Low Pass frequency When in Flat Full operation the High Pass 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 can2. The 5 channel amp have the same features as the 4 channel models accept that there is an additional set of controls for channel 5 The X OVER slide switch selects the internal crossover functions The input signal is routed directly to the LINE OUT RCA jacks regardless ofthe X OVER setting simplifying daisy chaining of amplifiers HPF Selects the builtin HIGH PASS filter variable from 10 Hz to 150Hz FULL Bypasses all crossovers for full frequency range operation LPF Selects the builtin LOW PASS variable from 30 Hz to 150Hz for channel 5 only MODE The mode switch allows you to choose 4 or 5 channel operation LINE INPUT The line input accepts unbalanced RCA inputs from 0 2V to 5V SUBSONIC Is adjustable from 15Hz to 55Hz for the channel 5 only BASS EQ Is adjustable from OdB to 12dB for channel 5 only REMOTE this is used for the PZiR 1 Bass Remote module l L L 21 HPF MODE LEVEL HPF REMOTE LOOS e 2 02V Ps DERE 10Hz 150Hz CH SCH sy OVER 10Hz 150Hz _ J oo BV 02V 15Hz 55Hz 048 12dB 30Hz 150Hz POWER SUBSONIC BASS EQ L LEVEL PROTECT AMPLIFIER APPLICATIONS 5 CHANNEL FULL RANGE SYSTEM Here we show how to use the channel amplifier as straightforward discrete 5 Channels 3 4 HI PASS N A channel full range units Interconnect
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5. LOWPASS N A Lows amplifier HIPASS Subsonic filter 10 Hz to 40 Hz LOWPASS 100 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 Ohms per channel stereo 4 Ohms mono bridged STEREO HIGHS SPEAKERS FULL RANGE RIGHT STEREO LINE INPUT SPEAKER OUTPUT EFT 2 CHANNEL IGHS AMPLIFIER STEREO INTERCONNECT RCA CABLE TO BATTERY 12 Volts VIA FUSE REMOTE TURN ON n ICHASSIS GROUND MONO BASS SPEAKER C SPEAKER OUTPUT LEFT 2 CHANNEL SUB BASS AMPLIFIER jos TO BATTERY 12 Volts VIA FUSE 1 ER eu TURN ON Ra 5 e 3 e wn A o c z P900 4 P1400 4 1800 4 4 CHANNEL AMPLIFIER APPLICATIONS 4 CHANNEL FULL RANGE SYSTEM Here we show how to use the 4 channel amplifiers as straightforward discrete 4 channel full range units Interconnect cable
6. Oto 180 degrees Connect the inputs to a suitable source e g a head unit with good quality RCA cables Connectthe LINE OUT tothe inputs ofthe system highs amplifier Level control checklist Use at least 12 gauge speaker wiring The amps have dual speaker terminals Referto the section Setting up systems after installation for best performance simplifying the hookup of multiple speakers Minimum final loudspeaker impedance 1 Ohm MONO SUBWOOFER WO PAIR 1031088 SPEAKER OUTPUT DESIGNATED MONO 21 OUTPUT FROM HEAD UNIT toi 2 H gt teft mS 4 0 BATTERY 12 Volts 8 REMOTE TURN ON 109110 108 ee _licassis GROUND nnn 2 FULL RANGE STEREO LINE INPUT Y ADAPTOR 2 Biz 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 PARALLEL MONO SUBWOOFERS 2 OHMS EACH MINIMUM 18 1 18 Ols 5 e IE 5000 5 5 CHANNEL AMPLIFIER FEATURE DESCRIPTION
7. VIA FUSE i GE TURN ON CHASSIS GROUND 2 way active or bi amplified system with mono bass and faded highs lows Here we present a variation of the previous system Since this is a 2 way system we can use the front outputs from a head unit to drive the highs and the rear output to drive the bass This method allows the listener to easily adjust the relative levels of bass to highs with the front to rear fade on the head unit Channels 1 and 2 will be used for highs and channels 3 and 4 for mono bass Interconnect cable checklist Use good quality RCA leads to connect the inputs of the amplifier to the source as shown LI U 2 H 5 He FULL RANGE T jm STEREO LINE 5 INPUTS 3 CH SPEAKER OUTPUT TO BATTERY 12 Volts VIA FUSE REMOTE TURN ON Follow the instructions as per the previous system for switch and crossover settings MONO BASS SPEAKER SPEAKERS CHASSIS GROUND P1000 1 P1500 1 MONO AMPLIFIER APPLICATIONS Basic application These sub bass amplifiers can be used any of the bi amplification systems Crossover frequency control checklist described in this manual replacing the 2 channel amplifiers as per the LOW PASS 40Hz to 150Hz illustrations SUBSONIC 15 Hz to 55 Hz BASS EQ 0 to 1208 Interconnect cable checklist PHASE
8. 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 3 4CH X OVER FULL Crossoverfrequency control checklist Channels 1 2 HIPASS N A LOWPASS N A DESIGNATED MONO LOWPASS N A Level control checklist Refer to the section Setting up systems after installation for best performance Minimum final loudspeaker impedances 2 Ohms per channel A CHANNEL 5 INPUTS POWER INPUT 3 n FULL RANGE lt STEREO LINE 5 CHASSIS GROUND REMOTE TURN ON TO BATTERY 12 Volts VIA FUSE FULL RANGE SPEAKERS 4 SUBWOOFER 0 9 0 488 OLX OL 6 689 11006 489 2 00 298 Sa 53 PSN Md Md ____________ 009 X 0004 OLX 9b X P60C auy Q7 YOO YOR 594 EEN S34 ON ON dH 11N4 0 2499 289 2405 gt 20 2409 240 TIN 594 Ov AGATO 98 lt 060 0 9 96 lt 181 lt ZEE 240 133501 Md X067 LX 006 X006 PX 002 2251 X0SC X00 PX SCL ONON T3NNYH2 3 00084 TBNNVHO 8 Or xl 2X96 Fh Cx OWY og voci vov 594 ON ON 89 89
9. cables per amplifier Use a sufficient gauge power cable and ground cable using the chart below as reference to what size wire you require PowerZone series amplifiers require 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 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
10. 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 HI PASS N A LOWPASS N A Channels 3 4 HI PASS N A LOW PASS N A Level control checklist Refer to the section Setting up systems after installation for best performance Minimum final loudspeaker impedances 2 Ohms per channel FULL RANGE SPEAKERS tg FULL RANGE i i STEREO LINE ad INPUTS bii Hi TO BATTERY 12 Volts 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 bytaking advantage of the mono bridging capability of all Crunch 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 Connectthe 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 h
11. 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 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 NOTE This Matrix is a general rule of thumb Please refer to the manufacturers specific requirements PowerZone specifications can be found on page 9 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 main 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
12. 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 1 AMPLIFIER FEATURE DESCRIPTIONS POWERZONE AMPLIFIERS e Each model is capable of 4 amp 2 Ohms stereo per channel or 4 Ohms mono bridged operation except the mono amps which are capable of 4 2 and 1 Ohm loads e Tri Mode operation with any stereo pair of amplifier channels is possible as with all bridgeable amplifiers e The input sensitivities for rated output powers are variable from 0 2 volt to 5 volt e All crossovers are fully variable in their respective ranges e Crossover f
13. POWERZONE AMPLIFIERS ANA L jn e E 8 x Oo 2 aoo POWERZONE AMPLIFIERS Crunch is proud to introduce the finest high end car audio products available and would like to thank you for your continued support ThePowerZone Series products have been designed to a very high level of performance with features unavailable in any other products All of the amplifiers have variable crossovers built in with added touches such as subsonic filter bass equalization and a bass remote control module option that allows bass control from with in reach of the drivers seat To insure years of listening pleasure all amplifiers have a built in diagnostic mode that will detect shorted speaker leads low impedance dangerous high temperatures DC shorts and will shut down the amp to help prevent serious damage INDEX PAGE General Installation erri re erm ep Dro Recien 1 Amplifier Feature 2 P500 2 P1100 2 P1400 2 2 CHANNEL AMPLIFIER APPLICATIONS esent 3 4 Full range stereo Full range mono 2 way active with mono bass using two 2 channel models P900 4 P1400 4 P1800 4 4 CHANNEL AMPLIFIER APPLICATIONS esent trennen 5 6 4 2 channel full range 2 way active with mono bass front rear high p
14. ass using a 2 channel model for mono sub bass P1000 1 P1500 1 1 CHANNEL AMPLIFIERS APPLICATIONG essere ttes ntt titt 7 Basic mono amplifier application P5000 5 5 CHANNEL AMPLIFIER FEATURE DESCRIPTION AND APPLICATIONS aan aanne enseeneeenneeenseensennenenn 8 Features and Specifications i i EC CR Dd a ER YE BI i i oV 9 Setting Up Systems After Installation For Best Performance sees nne tete tnntnntnnnnttnntn tentent 10 Troubleshooting and DiagnostiCS nnn sanannurenentanenansenenensenennnsensnensensnsunenanennsnanseaenenennsnanetsneneensnensenanenesnanstaenen 1 Product ata as a a i a a i i i a a a EENE EELE NEA 12 The contents of this manual may not be reproduced or copied with out the written consent of MAXXSONICS USA Inc 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 b
15. ation illustrates the basic mono bridging method for all POWERZONE 2 channel 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 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 RIGHT and its negative terminal to LEFT Switch setting checklist The AMPLIFIER X OVER switch must be in the FULL position Crossover frequency control setting checklist N A for full range operation 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 roll off Minimum final loudspeaker impedance FULL RANGE MONO LINE INPUT tei VIA Y ADAPTER FROM MONO SOURCE E 1 4 Ohms mono FULL RANGE MONO SPEAKER UU Ee 2 o TO BATTERY 12 volts VIA FUSE gi 8 REMOTE TURN ON Ln I CHASSIS GROUND The HIGH LEVEL inputs are us
16. 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 Low Pass 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 Low Pass 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 Hi Pass 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 a CD or cassette that you are familiar with to use as a reference and turn the head unit volume control to about 80 of its full 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 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 no
17. ead 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 15 necessary to feed the SAME signal to both left and right inputs via a Y adapter Channels 1 2 HIPASS N A LOW PASS N A Channels 3 4 HIPASS N A LOWPASS 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 RCAcable 4 Ohms mono bridged Connect the mono speaker positive terminal to the LEFT and its negative terminalto RIGHT as shown Switch setting checklist 1 2CH X OVER FULL 3 4CH X OVER FULL OR SUB BASS Crossover frequency control checklist FULL RANGE em OR HIGHS H m pag SPEAKERS lt ee 11 1 STEREO 1 MONO i TO BATTERY 12 Volts VIA FUSE FULL RANGE REMOTE TURN ON LINE INPUTS 5 EU CHASSIS GROUND P900 4 P1100 4 P1400 4 4 CHANNEL AMPLIFIER APPLICATIONS 2 way active or bi amplified system with m
18. ed 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 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 P500 2 P1100 2 P1400 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 a 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 RCA cable Mono bass woofer wiring Connect the mono speaker positive terminal to the RIGHT and its negative terminal to LEFT Switch setting checklist Highs amplifier X OVER switch in the HPF position Lows amplifier X OVER switch inthe LPF position Crossover frequency control checklist Highs amplifier HIPASS 100 Hz
19. ilters are 12dB Octave eAPOWER LED indicates the powered up and turned on condition e All Crunch amplifiers feature a comprehensive diagnostic system with speaker lead short circuit and amplifier DC faults indicated by the red PROTECT LED e 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 2 amp 4 Channel amps are capable of 4 and 2 Ohms wired stereo and 4 Ohms wired mono bridged The mono amps are capable of 4 2 TheX OVER slide switch selects the internal crossover functions P500 2 P1100 2 P1400 2 2 CHANNEL AMPLIFIERS The input signal is routed directly to the LINE OUT RCA jacks regardless of the X OVER setting B ia simplifying daisy chaining of amplifiers HPF Selects the builtin HIGH PASS filter variable from 60 Hz to 1 2kHz E e e 6 COVER LEE FULL Bypasses all crossovers for full frequency range operation HI INPUT 38 UE Ad E LPF Selects the builtin LOW PASS variable from 30 Hz to 250Hz m e e HET iL 2 MODE The mode switch allows you to choose Stereo for full range 2 channel operation or MONO R R mu for bridging operation IE LINE OUT LINE INPUT HIGH INPUT If your radio CD player does no
20. ing conditions 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 Nowturn the amplifier back on and if the diagnostic LED lights the amplifier has an internal fault 2 Ifnot plug the RCA cables back and reset the amplifier If 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 shutdown 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 Inadeguate 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 Checkthat 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 12 volt and ground c
21. isy chain multiple amplifiers from one signal P1000 1 P1500 1 1 CHANNEL MONO BLOCK AMPLIFIERS j 1 1 f 1 1 J l J 1 OUTPUT INPUT 8 REMOTE CONTROL SUB BASSEQ SONIC LPF LEVEL POWER O PROTECT O ee ee ee ad 15Hz 55Hz 40Hz 150Hz 6V 0 2V The mono amps are capable of 4 2 amp 1 Ohm loads Operating the amp below 1 Ohm can cause damage to the amp not covered in the warranty P500 2 P1100 2 P1400 2 2 CHANNEL AMPLIFIER APPLICATIONS FULL RANGE STEREO This is the most basic application for the POWERZONE 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 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 SPEAKERS FULL RANGE RIGHT STEREO LINE INPUT SPEAKER OUTPUT SE TO BATTERY 12 volts VIA FUSE Dg 88 REMOTE TURN ON rn I CHASSIS GROUND FULL RANGE MONO This applic
22. nty and such damaged product will be returned as is at the expense of the owner MAXXSONICS Designed and Engineered in the USA www maxxsonics com MAXXSONICS MBQUART autoateKe HIFONICS CRUNCH WWW MAXXSONICS COM 847 540 7700
23. onnections Fuses blowing 1 The use of loudspeaker impedances below the recommended minimums will draw more current check 2 Ashort on the main 12 volt cable from the battery to the vehicle chassis will cause the main fuse to blow 3 Ifanamplifier fuse blows continually with only 12 volt ground and remote leads connected the amplifier may be faulty System does notturn on 1 Check all 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 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 if the 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
24. ono bass This application shows how easily a 2 way active system can be implemented using a 4 channel amplifier Channels 1 and 2 will be used for highs and channels 3 and 4 for mono bass Interconnect cable checklist We need to feed the same signal to both sets of channels so must use 2 Y adapters one to feed the LEFT signal to channels 1 and 3 and the right signal to channels 2 and4 as shown Mono bass woofer wiring Connect the mono speaker positive terminal to the LEFT and its negative terminal to RIGHT Switch setting checklist 1 2CH X OVER HP 3 4CH X OVER LP Crossover frequency control checklist Channels 1 2 HI PASS 100 Hz LOWPASS N A Channels 3 4 HIPASS subsonic 20 Hz LOWPASS 100 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 Ohms per channel in stereo mode 4 Ohms mono bridged MONO BASS SPEAKER SPEAKERS LEFT TO CHANNELS p He RIGHT TO EE CHANNELS 3 AND 4 io H LEL TO BATTERY 12 Volts
25. ow Pass frequency Bass EQ This setting is a fixed bass boost at 45Hz that is variable from 0 10dB 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 Low Pass 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 Phase The variable Phase adjustment allows you to change the relative time that the waveform meets your ear With standard subwoofer installations where the subwoofer is behind you the Phase should generally be at 0 When subwoofers or woofers are in the kick panels or door panels the Phase adjustment is useful in delaying the timing of the wave meeting your ear by adjusting the potentiometer to 180 degrees 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 a reference and tu
26. 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 damaged as a result of insufficient or improper packing materials are not covered by this limited warra
27. rn the head unit volume control to about 8096 of its full 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 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 Turn 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 subwoofer combo has reached its maxx output in this application Sit back and enjoy the music 10 TROUBLESHOOTING A 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 PowerZone 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 follow
28. t have unbalanced RCA outputs you can use the He Note that the LOW PASS signal is MONO The line input accepts unbalance inputs from 0 2V to 5V J m i LINE OUTPUT The line output passes through signal from the line inputs which allows you to daisy In the LPF position the HIGH PASS filter acts as a subsonic chain multiple amplifiers from one signal filter When the LPF mode is selected a 0 to 12dB at 45Hz BASS EQis also switched in The4 channel amps have the same features as the 2 channel models accept that there are 2 sets of P900 4 P1400 4 P1800 4 4 CHANNEL AMPLIFIERS controls J 1 1 f 1 1 1 1 1setfor channels 1 amp 2 and 1 setfor channels 3 amp 4 CHANNEL S d In addition the 4 channel models have a Mode switch which allows you to select 2 3 or 4 channel E e 5 ELEF MOE e operation R ETE S S S R The X OVER slide switch selects the internal crossover functions L HI INPUT Vue ihe teca is CHANNEL The input signal is routed directly to the LINE OUT RCA jacks regardless of the X OVER setting e e S eee I L simplifying daisy chaining of amplifiers bd 008 iT CH34 CH1 2 CH1 CH2 5V 02V dB 1288 60Hz 12KHz 30Hz 250Hz FULL LPF HPF LINE OUTPUT HPF Selects the built in HIGH PASS filter variable from 60 Hz to 1 2kHz CHANNEL 1 2 FULL Bypasses all crossovers for full frequency range operation LPF Selects the buil
29. t sure what the Radio output sensitivity is follow these general guide lines Turn 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 wayactive 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 forthe 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 P1000 1 P1500 1 General At this point you are ready 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 L
30. the 12 volt 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 at a 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 11 12 CRUNCH POWERZONE SERIES Maxxsonics Limited Warranty As the manufacturer of Maxxsonics Autotek Crunch MB Quart and Hifonics car audio products Maxxsonics USA Inc Warrants to the original consumer purchaser the amplifier to be free from defects in material and workmanship for one 1 Year from date of
31. tin 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 5V 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 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 EQis also switched in 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 adjust the crossover filter from 15Hz to 55Hz LPF Allows yo to adjust the LOW PASS crossover filter from 40Hz to 150Hz MODE The mode switch allows you to choose Stereo for full range 2 channel operation or MONO for bridging operation LEVEL Adjusts the input sensitivity from 0 2 volts to 5 volts BASS EQ The Bass EQis adjustable from Odb to 12dB REMOTE This is the input jack for the under dash bass remote module 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 da
32. y 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 T T T EN S 2 2 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 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 and brake lines etc Na wa nnn 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 9 for proper gauge
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