System Block Diagram:
CH.1
INPUT
TUBE
STAGE
CH.2
GAIN
10
BV-60H / BV-120H
TUBE
STAGE
LOW
MID
HIGH VOLUME
TUBE
TUBE
TUBE
STAGE
STAGE
STAGE
REVERB
LEVEL 1
REVERB
LEVEL 2
All Tube Guitar Amplifiers
TUBE
STAGE
LOW
MID HIGH
VOLUME
PAD
SWITCHING
SEND
RETURN
EFFECTS
EFFECTS
SWITCHING
LOOP
CHANNEL
SWITCHING
POWER
IMPEDANCE
AMP
SELECTOR
PRESENCE
FREQUENCY
COMPENSATOR
MAIN
SPKR
OUT
EXT.
SPKR
OUT
LINE
OUT