Crest Audio Stereo Amplifier - Manual (Page 18)

Appendix A Crest Audio Pro Series Power Amplifiers
non-inverting
inverting
ground
non-inverting
inverting
ground
Octal accessory socket
Mode switch
B
P
S
Channel A
Channel B
Preamp
Preamp
Attenuator
Attenuator
Amp front end
Amp front end
Output stage
Output stage
Output relay
Output relay
Appendix A - Professional Series Block Diagram
The block diagram shown is accurate for all the Professional Series amplifiers.
(The Model 10004 amplifier has four channels arranged in two pairs.)