System Block Diagram:

BV120H All Tube Guitar Amplifier

System Block Diagram:

CH.1

TUBE

STAGE

INPUT

BASS MID TREBLE LEVEL

TUBE

STAGE

CH.2

TUBE

TUBE

TUBE

TUBE

GAIN

STAGE

STAGE

STAGE

STAGE

 

BASS MID TREBLE LEVEL

PAD

SWITCHING

CHANNEL

SWITCHING

SEND RETURN

REVERB

EFFECTS

LOOP

LEVEL 1

 

REVERB

LEVEL 2

POWER

IMPEDANCE

 

 

SELECTOR

PRESENCE

FREQUENCY

COMPENSATOR

EFFECTS

SWITCHING

MAIN

SPKR

OUT

EXT.

SPKR

OUT

LINE

OUT

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Crate Amplifiers manual System Block Diagram, BV120H All Tube Guitar Amplifier