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7

Mounting Locations

Engine Compartment

Never mount this unit in the engine compartment. Mounting the unit in the engine compartment will 

void your warranty.

         

Trunk Mounting

Mounting the amplifier vertically will provide adequate cooling of the amplifier. If you will be mounting 

it to an existing panel, be sure it’s not prone to excessive vibration (such as mounting to the back of a 

subwoofer enclosure). Excess vibration is not recommended for electronic products, amplifiers included. 

Mounting the amplifier flat on the floor of the trunk will provide the best cooling, however be cautious 

not to deposit baggage and other items over the top of the amplifier.  Mounting the amplifier upside 

down to the rear deck of the trunk will NOT  provide adequate heat dissipation and will severely affect 

the performance of the amplifier and is not recommended.

Passenger Compartment Mounting

Mounting the amplifier in the passenger compartment will work as long as you provide a sufficient 

amount of air for the amplifier to cool itself. If you are going to mount the amplifier under the seat of 

the vehicle, you must have at least 1 inch (2.54cm) of air gap around the amplifier’s heatsink. Mounting 

the amplifier with less than 1 inch (2.54cm) of air gap around the amplifier’s heatsink in the passenger 

compartment will not provide proper cooling and will severely affect the performance of the amplifier 

and is not recommended.

         

Vehicle Electrical System Requirements         

Amplifiers (regardless of brand name) will put an increased load on the vehicle’s battery and charging 

system. DAT recommends checking your alternator and battery condition to ensure that the electrical 

system has enough capacity to handle the increased load of your stereo system. Original equipment 

electrical systems which are in good condition should be able to handle the extra load of any DAT ampli-

fier without problems, although battery and alternator life can be reduced depending on your individual 

listening habits. To maximize the performance of your amplifier, we suggest the use of a reserve power 

"Stiffening"capacitor.

         

Wiring the Amplifier

CAUTION:

 Avoid running power wires near the low level input cables, antenna, power leads, sensitive 

equipment or harnesses. The power wires carry substantial current and could radiate noise into the 

audio system through the audio cables.

         

1)

   Plan the wire routing as described in the “Importance of Pre-Plan-

ning” section. Keep RCA cables close together but isolated from 

the amplifier’s power cables and any high power auto accessories, 

especially electric motors. This is done to prevent coupling the 

noise from radiated electrical fields into the audio signal. 

When feeding the wires through the firewall or any 

metal  barrier,  protect  them  with  plastic  or  rubber 

grommets to prevent short circuits. Leave the wires 

long at this point to adjust for a precise fit at a later 

time.

2)

    Prepare the power wire for attachment to the amplifier 

by stripping 5/8 inch (15.9mm) of insulation from the 

end of the wire. Insert the bare wire into the B+ ter-

minal and tighten the set screw to secure the cable 

in place. 

 

NOTE: 

The B+ cable MUST be fused 18” or less from 

the vehicle’s positive battery post. Choose a location 

to  install  a  waterproof  fuseholder  under  the  hood 

and ensure connections are water tight. If you do not 

use the appropriate fuseholder, the connection will 

eventually suffer corrosion from moisture and heat.

Install 

Main Fuse near 

Battery

Wait to insert 

fuse until last

Upgraded Ground

Grommet in 

Firewall

Summary of Contents for D3 1000.1

Page 1: ...D3 400 2 D3 500 4 D3 600 1 D3 1000 1 AMPLIFIER INSTALLATION MANUAL ...

Page 2: ...for any returns Please Practice Safe Sound Continuousexposuretosoundpressurelevelsover100dBmaycausepermanenthearingloss Highpoweredmobileaudiosystemsmayproduce sound pressure levels well over 130dB Use common sense and practice safe sound All Diamond Audio D3 Series Amplifiers Feature Pulse Width Modulated PWM MOSFET Switching Power Supply Extruded Aluminum Heatsink Double sided PC boards Nickel P...

Page 3: ...el Amplifier 500 Watts RMS Output Power All Channels Driven Into 4 Ohms 75w x 4 Into 2 Ohms 125w x 4 Bridged into 4 Ohms 250w x 2 Frequency Response 20Hz to 20KHz 3 dB Signal to Noise Ratio 90dBA 20 to 20kHz Channel Separation 50dB THD N Total Harmonic Distortion Noise 0 2 Output 1W 4 Ohms RCA Input Sensitivity 150mV to 4V RCA Input Impedance 20K Ohms Min to Max Voltage requirements 10 2V to 15 5V...

Page 4: ...OUTPUT GAIN MIN MAX BASS BOOST 0dB 12dB X OVER 50Hz 250Hz PHASE 0 180 SUB SONIC 15Hz 40Hz 30A FUSE INPUT OUTPUT SUBWOOFER SUBWOOFER HP LP FLAT 4 3 2 7 1 9 10 1 11 12 D3 1000 1 Mono Amplifier 218 x 57 5mm D3 400 2 D3 600 1 D3 500 4 D3 1000 1 25A 25A 30A 30A 25A 25A 25A 30A 30A 30A 30A 0dB 12dB 0dB 12dB L R L R GAIN MIN MAX BASS BOOST 0dB 12dB HPF 30Hz BASS BOOST 0dB 12dB PHASE 0 180 500Hz LPF 30Hz ...

Page 5: ...st to some subwoofer systems as they may not be able to handle the additional low frequency boost In the OFF position no bass boost is added Remote Level Adjustment D3 600 1 D3 1000 1 Only This port is for the remote level control included The control is intended to allow the user to control the level of gain up to the maximum adjustment level set on the amplifier The control does not add addition...

Page 6: ...ve lead from the battery prior to beginning the installation It will keep any unintended short circuits from damaging vehicle electronics during installation of the amplifier 3 For easier assembly run all wires prior to mounting your amplifier in place 4 Route all of the RCA cables close together and away from any high current wires or vehicle com puters This will greatly minimize the chances of u...

Page 7: ...cal system has enough capacity to handle the increased load of your stereo system Original equipment electrical systems which are in good condition should be able to handle the extra load of any DAT ampli fier without problems although battery and alternator life can be reduced depending on your individual listening habits To maximize the performance of your amplifier we suggest the use of a reser...

Page 8: ...nd tighten the set screw to secure the wire in place Connect the other end of the REM wire to a switched 12 volt posi tive source The switched voltage is usually taken from the source unit s remote amp on lead If the source unit does not have this output available the recommended solution is to wire a mechanical switch in line with a 12 volt source to activate the amplifier 7 Securely mount the am...

Page 9: ...t the DAT website at www diamondaudio com D3 500 4 4 Channel Amplifier 4 Channel Mode 1 speaker per channel 3 Channel Mode 1 pair stereo plus one bridged channel 2 Channel Mode both pairs of channels bridged D3 400 2 2 Channel Amplifier 2 Channel Mode 1 speaker per channel Bridged Mode 25A 25A 25A FUSE REM GND 12V BRIDGE L R L R L R INPUT OUTPUT GAIN MIN MAX BASSBOOST 0dB 12dB X OVER 50Hz 250Hz PH...

Page 10: ...ioning Get Ready to Listen Perform a final check of the completed system wiring to ensure that all connections are accurate Check all power and ground connections for frayed wires and loose connections which could cause problems Install in line fuse near battery connection at this time Prepare to make some adjustments to fine tune your audio system for optimum performance Adjustment of Input Gain ...

Page 11: ...rst and leave the amplifier s bass boost alone 2 While playing the same musical selections used during the gain setting process slowly increase the level of the Bass EQ You should be able to notice a demonstrable change between 0 and 6dB If you do not notice much difference then it will not serve any benefit to increase the boost further 3 If the boost has audible benefits without adding appreciab...

Page 12: ...ust be returned to your local Authorized DAT dealer for warranty Non defective items received will be returned freight collect Freight damage and returns are not covered under warranty Include proof of purchase Warranty expiration on items returned without proof of purchase will be determined from the manufacturing date code You can confirm that a dealer is authorized for service by the display of...

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