System Block Diagram
GUITAR
12AX7A
V1A
INPUT
OVERDRIVE
OVERDRIVE
LEVEL
REVERB
IN
10
V18-112/V18-212 Tube Guitar Amplifier with Reverb
12AX7A
12AX7A
V1B
V2A
GAIN
LINE
OUT
REVERB
OUT
REVERB
LEVEL
12AX7A
V2B
TREBLE MID
BASS
EL84
PHASE
SPLITTER
12AX7A
V3A
12AX7A
V3B
EL84
8 OHM
INTERNAL
SPEAKER