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How does gain on the DRack and D2 rack correspond to gain on an SD rack?

The SD Rack and the D-Rack / D2 Rack have different hardware designs. This needs to be taken into consideration when translating gains between the various rack types.

The SD Rack has an input gain range of -20dB to +60dB

The D-Rack and D2 Rack have a +10dB to +60dB range and -20dB pad function.

The following shows how gains less than +10dB are achieved using the pad.

  • -5dB overall attenuation set the -20 pad and add 15dB gain
  • -10dB overall attenuation set the -20 pad and add 10dB gain
  • 0dB overall gain set the -20 pad and add 20dB gain
  • 5dB overall gain set the -20 pad and add 25dB gain

Note that -10dB is the minimum achievable gain on the DRack and D2 Rack. This is not the same as SD-Rack which allows up to -20dB of attenuation (shown as -20 on the gain knob).

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