Solid State Logic Alpha VHD Pre Manuel D'installation page 8

3. Play!
Hi Z
Switches Mic Input impedence from 1kΩ to 10kΩ.
Use with PAD for Line Level inputs.
PAD
Fixed 20dB attenuation for high level signals.
Glows 'red' when input is in 'overload' condition.
48V
Switches +48V ('phantom power') to the Mic Input. Always
switch OFF before connecting/dis-connecting microphone.
Power/Standby
Bright when unit is on,
dim when in standby
4
Input Switches
Mono ¼" Jack for high impedence Instrument Input.
Inserting a jack will automatically select this input in
Input Gain
Provides +20dB to +75dB gain
Output Gain
Provides ±20dB of adjustment
Instrument
place of the standard microphone input
(on the rear of the unit).
Variable Harmonic Drive™
Adds level dependent colouration;
initially warm 2 harmonic then
nd
more aggressive 3 harmonic
rd
(see opposite)