Akai Reference Master AM-73 Operator's Manual page 9

Before connecting
@ Turn off all the components.
®@ For connections, use two audio connection cords.
PROCESSOR OUT
SOURCE INPUT
PROCESSORIN
SOURCE OUTPUT
About the short pins
@ The short pins connect the pre-amp and power-amp
sections of the integrated amplifier. Only remove these
pins when connecting a graphic equalizer or surround
processor.
@ Donot loose these pins.
@ When replacing these pins, insert them in the PROCES-
SOR IN and OUT jacks as illustrated.
Remove
Short pins
Amplifier
Graphic equalizer or surround processor