background image

Ground Pounder GPV AMPLIFIERS

                             INDEX                                                                                       PAGE

Crunch is proud to introduce the finest high end car audio products available and would like to thank you for your 
continued support. The Ground Pounder Series range of 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.

Amplifier Feature Descriptions..........................................................................................................................................................1

GPV700.2 / GPV1000.2  2-CHANNEL  AMPLIFIER  APPLICATIONS...........................................................................................2-3

Full range stereo  /  Full range mono / 2 way active with mono bass using two 2 channel models

GPV1000.4 / GPV1600.4  4 CHANNEL  AMPLIFIER  APPLICATIONS..........................................................................................4-5

4, 3 and 2 channel full range / 2 way active, with mono bass / 
front/rear high pass using a 2 channel model for mono sub bass

GPV2000.1 A/B CLASS 1 CHANNEL  AMPLIFIER  APPLICATIONS................................................................................................ 6
                Basic mono amplifier application

GPV3000.1D PRO D CLASS 1 CHANNEL  AMPLIFIER  APPLICATIONS........................................................................................ 7
                Basic mono amplifier application and linking instructions

Features and Specifications............................................................................................................................................................. 8
Setting Up Systems After Installation For Best Performance............................................................................................................. 9
Troubleshooting and Diagnostics....................................................................................................................................................10
Product Warranty............................................................................................................................................................................ 11

The contents of this manual may not be reproduced or copied with out the

written consent of MAXXSONICS USA, Inc.

Summary of Contents for Ground Pounder GPV1000.2

Page 1: ...AMPLIFIERS GPV700 2 GPV1000 2 GPV1000 4 GPV1600 4 GPV2000 1 GPV3000 1D Pro ...

Page 2: ...eads low impedance dangerous high temperatures DC shorts and will shut down the amp to help prevent serious damage AmplifierFeatureDescriptions 1 GPV700 2 GPV1000 2 2 CHANNEL AMPLIFIER APPLICATIONS 2 3 Fullrangestereo Fullrangemono 2wayactivewithmonobassusingtwo2channelmodels GPV1000 4 GPV1600 4 4CHANNEL AMPLIFIER APPLICATIONS 4 5 4 3and2channelfullrange 2wayactive withmonobass front rearhighpassu...

Page 3: ...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...

Page 4: ...putacceptsunbalanced RCA inputsfrom0 2Vto5V LINE OUTPUT The line output passes through signal from the line inputs which allows you to daisy chainmultipleamplifiersfromonesignal NotethattheLOWPASSsignalisMONO In the LPF position the HIGH PASS filter acts as a subsonic filter WhentheLPFmodeisselected a0to 9dB at45Hz BASS EQisalsoswitchedin GPV1000 4 GPV1600 4 4 CHANNEL AMPLIFIERS The LINE INPUT sig...

Page 5: ...ry 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 Minimumfinalloudspeakerimpedance cable Connect the mono speaker positive terminal to the LEFT and its negative 4 Ohmsmono terminaltoRIGHT FULL RANGE STEREO FULL RANGE MONO SPEAKER The HIGH LEVEL inputs are used when the radio CD player does not have RCA cable out...

Page 6: ...blechecklist Connect the inputs of the HIGHS amplifier to a Radio CD with good quality RCA cables Lowsamplifier Connect the LINE OUT of the HIGHS amplifier to the inputs of the BASS amplifier with a HIPASS Subsonicfilter 10Hzto40Hz stereoRCAtoRCAcable LOWPASS 80Hz Monobasswooferwiring Please note that these frequency points are suggestions only Refer to the loudspeaker Connect the mono speaker pos...

Page 7: ...lt into a head unit or equalizer Important Do not be tempted to connect the hot or positive outputs from any source Level control checklist together to obtain a mono signal as this could very well damage the output stage of Refer to the section Setting up systems after installation for best performance that source It is necessary to feed the SAME signal to both left and right inputs via a Y adapte...

Page 8: ...sshown 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 Followtheinstructionsaspertheprevioussystemforswitchandcrossoversettings withthefronttorearfadeontheheadunit Channels1and2willbeusedforhighs andchannels3and4formonobass STEREO HIGHS SPEAKERS STEREO HIGHS SPEAKER...

Page 9: ...afterinstallationforbestperformance simplifyingthehookupofmultiplespeakers Minimumfinalloudspeakerimpedance 1 Ohm FULL RANGE STEREO LINE INPUT NOT USED Y ADAPTOR 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 GPV2000 1 A B CLASS 1 CHANNEL AMPLIFIER APPLICATION PARALLEL MONO ...

Page 10: ...he 7 Connect the subwoofer s in accordance to the diagrams below Slave amp SLAVE INPUT Note This will link the amps so that the Master amp 8 Connect a 12 gauge jumper from Master amp speaker to Slave amp speaker as crossover switches will control both the Master and Slave amps The Slave amp shown below crossover switches will be bypassed 4 Route two 0 gauge power cables directly to the vehicle bat...

Page 11: ...9 6 ...

Page 12: ...ts 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 operatio...

Page 13: ...ausethemainfusetoblow 3 Ifanamplifierfuseblowscontinually withonly 12volt groundandremoteleadsconnected theamplifiermaybefaulty Systemdoesnotturnon 1 Checkallfuses 2 Checkallconnections 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 theheadunit s 12voltandremoteleadstolocali...

Page 14: ...e 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 cent...

Page 15: ...PART S1208 ...

Reviews: