Diamond Audio Technology D6 300.4 Owner'S Manual Download Page 2

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SPECIAL THANKS

Thank you for choosing a Diamond Audio D6 reference amplifier. The team here at

Diamond insists that you listen to music as the artist intended, and that's what drives us

to develop and engineer cutting edge audio solutions that are true to any audiophiles

guidelines. Each of Diamonds products are concepted, designed, engineered, tested and

sold by pure audio fanatics. Each one of us on the Diamond team realizes how important

audio performance is to you, because it is equally important to us. So rest assured that

you have purchased an amplifier that truly has no competition.

Thanks Again,

The Diamond Team

CAUTION

Prolonged exposure to sound pressure levels in excess of 100 dB can cause permanent

hearing loss. Diamond Audio D6 amplifiers produce enough power to make most speaker

systems exceed that level. Please exercise restraint and protection during their operation

in order to preserve your ability to enjoy their fidelity for years to come.

CONTENTS

Page 3

- Specifications & RMS Power

Page 4

- Physical Dimensions & Appearance/Features

Page 5

- Professional Installation & Mounting

Page 6

- DC Connections

Page 7

- DC Connections

Power and Ground

Page 8

- DC Connections

Amp Current Draw

Page 9

- DC Connections & Speaker Connections

Turn-on (Remote)

Page 10

- D6 300.4/600.4

Bridging, RCA, Crossovers

Page 11

- D6 300.4/600.4

Crossovers (cont), Gain, Aux. Output, Ch 3/4 Input

Page 12

- D6 300.4/600.4

Gain Bypass, Ch 3/4 Mono, Highpass, Lowpass

Page 13

- D6 300.4/600.4

Crossover Freq. Diagrams

Page 14

- D6 1000.1/1500.1

Remote Gain, Speaker Outputs, RCA

Page 15

- D6 1000.1/1500.1

Crossovers, Gain, Subsonic

Page 16

- D6 1000.1/1500.1

Master/Slave, Phase, Lowpass, Crossover Freq. Diagrams

Page 17

- D6 5.2

Bridging, RCA

Page 18

- D6 5.2

Crossovers, Gain, Gain Bypass

Page 19

- D6 5.2

Highpass, Slave, Subsonic, Lowpass, Sub Inversion

Page 20

- D6 5.2

Crossover Freq. Diagrams

Page 21

- Troubleshooting

Page 22

- System Notes

Summary of Contents for D6 300.4

Page 1: ...ith new or remanufactured product for as long as the amplifier is in its original installation Damage or failure caused by any of the following is not covered under this warranty policy negligence improper use abuse product modification unauthorized repair attempts accident acts of God misrepresentations by DAT retailers and improper inadequate packaging during return shipping Warranty is void if ...

Page 2: ...t speaker systems exceed that level Please exercise restraint and protection during their operation in order to preserve your ability to enjoy their fidelity for years to come CONTENTS Page 3 Specifications RMS Power Page 4 Physical Dimensions Appearance Features Page 5 Professional Installation Mounting Page 6 DC Connections Page 7 DC Connections Power and Ground Page 8 DC Connections Amp Current...

Page 3: ...s Advanced Protection Circuitry SPECIFICATIONS Fuse Rating 60 A 90 A 120 A 160 A 90 A DC Range 11 14 5 V 11 14 5 V 11 14 5 V 11 14 5 V 11 14 5 V Input Range 0 2 5 V 20k ohms 0 2 5 V 20k ohms 0 2 5 V 20k ohms 0 2 5 V 20k ohms 0 2 5 V 20k ohms Channel Separation 80 dB min 80 dB min n a n a 80 dB min THD 0 03 0 03 0 1 0 1 0 03 0 05 sub Signal to Noise Ratio 100 dB 100 dB 80 dB 80 dB 100 dB Model D6 3...

Page 4: ...uming loads including the audio system Alternator output battery capacity and power demand of all electrical loads and systems must be matched as ideally as possible so the entire system is reliable and trouble free in operation PROFESSIONAL INSTALLATION To achieve maximum performance and life time warranty coverage see warranty statement Diamond Audio strongly recommends that a factory authorized...

Page 5: ...ff or for SPL competitions where high sound pressure levels are generated for short periods of time In which large battery racks are needed to provide the necessary current demanded by the many amps used D6 Reference Series Amplifiers are capable of reproducing concert level volumes with incredible accuracy Care must be taken to ensure that your vehicle is capable of supplying the voltage and curr...

Page 6: ...ers provide maximally flat frequency responses when compared to other filter structures Crossovers Turn on Remote Locate the terminal labeled REMOTE between the ground and 12V power connection points on the end of the amplifier Your source unit should have a wire in its harness labeled REMOTE or AMP TURN ON Some source units come equipped with a Power Antenna lead only This should also work Run th...

Page 7: ...se configures the D6 amplifier to accept input voltages as high as 5V RMS This control should be set as low as possible The basic procedure for setting input gains is as follows 1 Adjust all amplifier gain controls to just above the minimum setting fully counterclockwise 2 Using the highest quality source usually CD play some music and slowly turn up the source unit until you can hear distortion N...

Page 8: ... it is set on the amplifier Max all the way clockwise on the module is set to whatever the gain on the amp is set to Note Old D5 600 11200 1 remote gains do not work with D6 amplifiers Remote Gain Although the D6 1000 1 and 1500 1 amplifiers have two sets of outputs they are mono block amplifiers and the outputs can not be bridged The two sets of outputs are paralleled inside the amp to a single c...

Page 9: ...ounterclockwise to 250Hz fully clockwise Lowpass Freq The D6 1000 1 and 1500 1 feature fouth order 24dB octave lowpass and second order 12dB octave subsonic Butterworth filters These filter networks sum to a flat response at their 3dB break points This results in a smooth and seamless transition from one frequency band to the next Butterworth filters provide maximally flat frequency responses when...

Page 10: ...wise configures your D6 amplifier to accept input voltages as high as 5V RMS This control should be set as low as possible The basic procedure for setting input gains is as follows 1 Adjust all amplifier gain controls to just above the minimum setting fully counterclockwise 2 Using the highest quality source usually CD play some music and slowly turn up the source unit until you can hear distortio...

Page 11: ...and sub channels can all be slaved of the front channels inputs Simply push the appropriate button IN to slave that channel to those inputs You can also slave just the center and sub channels if you have a four channel input Slave Select Pushing this button IN engages the sub sonic filter on the sub channels Pushing this button OUT will bypass the filter Subsonic On Off Turning this control sets t...

Page 12: ...e is no sound coming from one channel check all signal connections and sources for that channel D6 1000 1 1500 1 ONLY If the Red LED is lit the amp is in protection disconnect power and reset amp If protection LED lights again check all connections for shorts especially speaker connections If the amp still will not work correctly please return to the authorized Diamond retailer you bought the ampl...

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Diamond Audio Technology D6 300.4, Owner'S Manual

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