Troubleshooting - Diamond D3 Product Owners Manual

Crossover
The Diamond D3 600.1 amplifier features a lowpass electronic crossover that is
selectable for 12 dB/oct or 24 dB/oct slopes. These filters are then adjustable between
40 and 150 Hz.
Phase Invert
Allows adjustment of the sub woofer phase, normal or 180 degrees out of phase.
Slope Select
Switches crossover slope between 12 dB and 24 dB. This slope is implemented at the
frequency selected on the frequency knob.
Crossover Frequency
Adjustable left to right clockwise from 55 Hz up to 550 Hz.
Sub-Bass EQ
Acts as a bass EQ with an adjustable frequency setting and boost. Adjust to desirable
frequency, 28 - 80 Hz, and then add the amount of boost wanted up to +18 dB. Can be
used to boost missing low end frequencies in a sub woofer system.
TROUBLESHOOTING
If the LED is on, your D3 amplifier should be working correctly, if not, check all signal
connections.
If the problem persists, or the amp will not power up at all, double check all power
connections including all fusing.
If the amp still will not work correctly, please return to the authorized Diamond retailer
you bought the amplifier from and have them trouble shoot your system or call Diamond
Tech Support at 1-866-328-2834.
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