Marshall Amplification JVM 2 - Manual (Page 9)

53
CLEAN
SHAPE
V6:A V6:B V7:A V7:B V8:A V8:B
V5
V1
V2
V3
V4
PHASE SHIFTER
EMULATED
LINE OUT
OUTPUT VALVES (1 & 4 NOT USED IN 50W)
V9:B
REVERB MIXER
CATHODE
FOLLOWER
REVERB
BYPASS
PRE-AMP OUT
/ SEND
PRE-AMP OUT
/ RETURN
POWER AMP INSERT
SERIES LOOP
V9:A
LOOP
RECOVERY
CATHODE
FOLLOWER
SEND RETURN
MIX
SPEAKER
OUT
MASTER 2
MASTER 1
PRESENCE RESONANCE
CLEAN
CRUNCH
OD
FX LOOP
BYPASS
PARALLEL LOOP
CLEAN / CRUNCH
GAIN
GAIN OD / GAIN
INPUT
GREEN : V6:A, V7:B
ORANGE
RED
: V6:A, V7:A GAIN OFF, V7:B
: V6:A, V7:A, GAIN ON, V7:B
GREEN
ORANGE
RED
: V6:A, V7:A GAIN ON, V7:B
: V6:A, V6:B, V7:A GAIN OFF, V7:B
: V6:A, V6:B, V7:A GAIN ON, V7:B
CLEAN /
CRUNCH
OVERDRIVE
CRUNCH VOL CLN / CR
TONE
OD
TONE
+4 / -10
OD VOL
GAIN STAGES
VALVE CHART
V5
V4
V9 V8 V7 V6
V3 V2 V1
REVERB
LEVEL
52
JVM 2 Channel Block Diagram