Lanzar Car Audio MAXP 2760 Car Amplifier User Manual
Contents
1. AMPLIFIERS The AMPLIFIER CH 1 2CH X OVER slide switch selects the input signal for channel pair 1 amp 2 HP Selects the built in HIGH PASS filter variabe from 40 Hz to 2KHz FULL Bypasses all crossovers for full frequency range operation LP Selects the built in LOW PASS filter variabe from 30 Hz to 150Hz Note that the LOW PASS signal is MONO In the LP position the HIGH PASS filter acts as a subsonic filter When the LP mode is selected a 0 to 10 dB at 45 Hz BASS EQ is also switched in oLanzar PRO Owners MANUAL 2 The AMPLIFIER CH 3 CH 4 X OVER slide switch selects tne input signal for channel pair 3 amp 4 HP Selects the built in HIGH PASS fiter variable from 40 Hz to 2KHz FULL Bypasses all crossovers for full frequency range operation LP Selects the built in LOW PASS filter variabe from 30 Hz to 150Hz Note that the LOW PASS signal is MONO In the LP position the HIGH PASS filter acts as a subsonic filter When the LP mode is selected a 0 to 10 dB at 45 Hz BASS EQ is also switched in Full range signal from channels 1 2 inputs are routed to the Line OUT RCA jacks regardless of the setting of the X OVER switches The REMOTE jack enables dash mount level control of the LOW PASS signal CH3 4 only FEATURES Bass Boost Circuit Variable Low Pass Crossover Anti Thump Turn On2. FULL Crossover frequency control checklist channels 1 2 channels 3 4 HIGH PASS HIGH PASS N A LOW PASS N A LOW PASS N A olanzar PRO Owners MANUAL 4 f lanzar BATTERY 12V FUSE REMOTE TURN ON CHASSIS GROUND 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 Minmum final loudspeaker impedances 2 ohm per channel in stereo mode 4 ohm mono bridged STEREO FULL RANGE OR HIGHS SPEAKERS STEREO V OR HIGHS SPEAKERS 1 MONO SUB BASS SPEAKERS Hom TO BATTERY 12V VIA FUSE REMOTE TURN ON CHASSIS GROUND MAXP4260 4 CHANNEL AMPLIFIER APPLICATIONS 2 way active or bl amplifled system with mono bass This application shows how easily a 2 way active system can be implemented using a MAX PRO series 4 channel amplifier Channels T 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 and 3 and the right signal to channels 2 4 as shown Mono bass woofer wiring Connect the mono speake
3. designed for low frequency information only and it is not capable of reproducing mid high frequency information This is due to the noise introduced into the signal by the switching speed of the power supply which must be filtered out of the audio signal The power supply incorporated into MAXP PRO series amplifier is a DC to DC switching power supply designed to have adequate headroom for even the most demanding peak and dynamic range found on today s Cds and recording PRO Owners MANUAL 1 AMPLIFIER FEATUER DESCRIPTIONS MAXP2760 MAXP2960 2 CHANNEL AMPLIFIERS 12800 einai X OVER slide switch selects the intermal crossover functions The input signal is routed directiy to the LINE OUT RCA jacks regardless of the X OVER setting simplifying daisy chaining of amplifiers HP Selects the built in HIGH PASS filter variable from 40 Hz to 2KHz FLAT Bypasses all crossovers for full frequency range operation LP Selects the built in LOW PASS filer variable from 30 Hz to 150Hz Note that the LOW PASS signal is MONO In the LP position the HIGH PASS filter acts as a subsonic filter When the LP mode is selected a 0 to 10 dB at 45 Hz BASS EQ is also switched in The REMOTE jack enables dash mount level control of the LOW PASS signal MAXP4260 4 CHANNEL
4. A LOW PASS N A Level contro checklist Refer to the section setting up systems after installation for best performance Minimum final loudspeaker Impedances 2 ohm per channel 2 CHANNEL FULL RANGE SYSTEM Here we show how to use the 4 channel amplifiers as full range 20r 3 channel units by taking advantage of the mono bridging capability of all Lanzar MAX PRO series amplifiers The follwing 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 Connect the inputs of channel pair 1 2 to a suitable stereo source e g a head unit with good quality RCA cables signal source is required to bridge channel pair3 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 1 STEREO Important Do not be tempted to connect the hot or positive 1 MONO ii i je FULL RANGE outputs from any source together to obtain a mono signal as this LINE INPUTS could very well damage the outout stage of that source s 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 as shown Switch setting checkilst 1 2CH X OVER FULL 3 4CH X OVER
5. AKERS MONO OR SUB BASS SPEAKERS LEFT TO CHANNELS LEFT CHANNELS fansar TO BATTERY 12V VIA FUSE REMOTE TURN ON CHASSIS GROUND STEREO FULL RANGE OR HIGHS SPEAKERS 1 stereo VI FULL RANGE OR HIGHS _ p SPEAKERS 4 OR SUB BASS SPEAKERS TO BATTERY 12V MA FUSE REMOTE TURN ON CHASSIS GROUND MAXP4260 4 CHANNEL AMPLIFIER APPLICATIONS Front ear high pass using a 2 channel amplifier for mono sub bass The combination of a 2 and a 4 channel amplifier utilizing their built in crossovers makes it a snap to put together a full system with front and rear highs with mono sub bass FRONT i interconnect cable checklist REAR L Using good quality RCA cables feed the front and rear outputs INPUTS 4 il FULD RANGE of a head unit to the inputs of the 4 channel amplifier as shown SPEAKERS Also connect the LINE OUT of the 4 channel amplifier to the LINE INPUT of the 2 channel amplifier as shown TO BATTERY 12 FUSE REMOTE TURN ON CHASSIS GROUND 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 HP 3 4CH X OVER 2 channel bass amplifier X OVER switch LP Crossover frequency control checklist 4 channel highs amplifier Channels 1 2 HIGH PAS
6. S 100Hz LOW PASS N A Channels 3 4 HIGH PASS 100Hz LOW PASS N A 2 channel bass amplifier HIGH PASS Subsonic filter 10 Hz to 40Hz Please note that these frequency points are suggestions only ANE Refer to the loudspeaker manufacturer specifications and the section Setting up systems after installation for best FULL RANGE MONO SPEAKER performance BATTERY 12V FUSE Level contro checkilst REMOTE TURN ON Refter to the section Setting up systems after installation CHASSIS GROUND for best performance Minimun final loudspeaker impedances 2 ohm per channel in stereo mode 4 ohm mono bridged SETTING UP SYSTEMS AFTER INSTALLATION FOR BEST PERFORMANCE 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 p
7. TriMode Configurable Soft Turn On Off RCA Line Input Blue Light Illuminated Lanzar Logo Power Protection LED Indicators Advanced Protection Circuitry Bass Boost Remote Control T H D 0 0596 S N Ratio 95dB Frequency Response 10Hz 40KHz MAXP2760 MAXP2960 2 CHANNEL AMPLIFIER APPLICATIONS FULL RANGE STEREO This is the most basic application for the MAX PRO 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 FLAT position 3 Crossover frequency control checkilst N A for full range operation 4 Line level Refer to the section Setting up systems after installation for best performance 5 Bass Remote Plug in the Bass Remote to the amplifier REMOTE jack NOTE Minmum 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 FULL RANGE SPEAKERS BATTERY 2V FUSE REMOTE TURN ON CHASSIS GROUND FULL RANGE MONO This application illustrate the basic mono bridging method fot all Lanzar 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 alo
8. USER S MANUAL AMPLIFIERS A y Saye 2760 296D MAXP 4260 TABLE CONTENTS Contents and introdction Page 1 Amplifier featuer descriptions Page 2 MAXP2760 MAXP2960 channel amplifier applications Page 3 MAXP4260 channel amplifier 5 Page 4 MAXP4260 channel amplifier applications Page 5 MAXP4260 channel amplifier applications Page 6 Setting up systems after installation for best performance Page 7 Max pro series amplifier specifications Page 8 Trgubleshooting Page 9 INTRODUCTION Thank you for purchasing the Lanzar MAXP PRO series amplifier Rest assured you have purchased a quality product designed and engineered to give you many years of uncompromised musical service The MAXP PRO series amplifier has been designed using the latest in electronic technology available today This mono subwoofer amplifer is the result of advanced high speed switching technology that overcomes the less efficient classAB design The MAXP PRO series amplifier reflects your true appreciation for powerful bass reproduction in the mobile environment This amplifier is
9. atisfactory sound balance Sit back and enjoy the music PRO Owners MANUAL 7 Lanzar PRO SERIES AMPLIFIER FEATURES MODEL MAX 2760 OutPowerRating j Out Power Rating RMS at 4 Ohms 500 2 at 4 Ohms 1000Wx2 MAX at 4 Ohms Bridged 1200Wx RMSat2Ohms 800Wx2 TOHz 40KHz 5200 gt 9508 lt 0 05 gt 70 8 02 600 20C Power Provect es MAXP4260 po 250Wx4 Po 50094 1000Wx2 1200Wx2 400Wx4 po 10Hz 40KHz x lOHz 40KHz 200 gt 200 gt 200 gt 95dB 20059 5 7048 0 2V 6 0V 20kQ Power Protect es Y lt lt lt Hip FULI LP BP es 40Hz 2kHz 40Hz 2kHz 30Hz 150Hz 0 100 oo a 40Hz 2kHz 30Hz 150Hz 0 10dB Full Range s s 30Hz 150 2 0 10 8 40Hz 20 2 30Hz 150Hz 0 10dB Full Range es es line Output O Unbalanced Input RCA Jack lt 65 5 5 lt 20A 10162 56x13867 10162561583 Note Features subject to change without notice Power Supply all MOSFET PWM Yes Yes Ye Hp FULL LP BP Hp FULL LP BP Lanzar PRO Owners MANUAL 8 TROUBLESHOOTING Before removing your amplifier refer to the list below and follow the suggested procedures Always test the speakers and their wires first AMPLIFIER WILL NOT POWER UP Check for good ground connection Check that remote DC ter
10. minal has at least 13 8v DC Check that there is battery power on the terminal Check all fuses Check that Protection LED is not lit If it is lit shut off amplifier briefly and then repower it HIGH HISS OR ENGINE NOISE ALTERNATOR WHINE IN SPEAKERS Disconnect all RCA inputs to the amplifier sHf hiss noise disappears then plug the component driving the amplifier and unplug its inputs If hiss noise disappears go on until the faulty noisy component is found It is best to set the amplifier s input level as insensitive as possible The best subjective S N ratio is obtainable this way Try to drive as high a signal level from the head unit as possible PROTECTION LED COMES ON WHEN THE AMPLIFIER IS POWERED UP Check for shorts on speaker leads Check that the volume control on the head unit is turned down low Remove speaker leads and reset the amplifier If the Protection LED still comes on then the amplifier is faulty AMPLIFIER S GETS VERY HOT Check that the minimum speaker impedance for that model is correct Check for speaker shorts Check that there is good airflow around the amplifier In some applications an external cooling fan may be required DISTORTED SOUND Check that the Level control s is set to match the signal level of the head unit Check that all crossover frequencies have been properly set Check for shorts on the speaker leads HIGH SQUEAL NOISE FROM SPEAKERS This is always caused by a poorly grou
11. nded RCA patch cord PRO Owners MANUAL 9 WARRANTY LIMITED WWW LANZAR COM 1600 63RD STREET BROOKLYN N Y 11204 718 535 1800 FAX 718 236 2400
12. ne 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 LEFT and its negative terminal to RIGHT 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 If you are using the mono sub bass output of an active crossover there isnothing wrong with switching in the low pass filter in these amplifiers for a steeper low pass rolloff Minimum final loudspeaker impedance 4 ohm mono FULL RANGE MONO SPEAKER A w TO BATTERY 12V VIA FUSE REMOTE TURN ON CHASSIS GROUND MAXP4260 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 checkilst Connect the four inputs of the amplifier to a Radio CD RANGES with quality RCA cables STEREO LINE Switch setting checkilst gt 1 2CH FULL 3 4CH X OVER FULL E Crossover frequency control checklist Channels 1 2 Channels 3 4 HIGH PASS N A HIGH PASS N A LOW PASS N
13. oint 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 10dB 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 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 Ensuse that the Level is turned completely to the left prior to turning the syetem 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 8096 of i
14. r positive terminal to the RIGHT and its negaitive terminal to LEFT Switch setting checklist 1 2CH X OVER HP 3 4CH X OVER LP Crossover frequency control checklist channels 1 2 HIGH PASS 100 Hz LOW PASS N A Channels 3 4 HIGH PASS subsonic 20 Hz Low PASS 100 Hz Please note that these frequency points only Refer to the loudspeaker manufacturer specifications and the section setting up system after installation for best performance 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 wecan 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 anf 2 will be used for highs and channels 3 and 4 for mono bass Use good quality RCA leads to connect the inputs of the amplifier to the source as shown Follow the instructions as per the previous system for switch and crossover settings FULL RANGE STEREO LINE Level control checklist Refer to the section setting up systems after in stall ation for best performance Minmum final loudspeaker impedances 2 ohm per channel stero mode 4 ohm mono bridged STEREO 241 FULL RANGE OR HIGHS SPEAKERS STEREO i FULL RANGE V OR HIGHS SPE
15. ts 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 degrrees 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 righe as the amplifier speaker combo has reached its maxx output in this application 2 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 adjust the level control for the highs or tweeter 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 s
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