Marshall Amplification B 150, B 30, B 65 1 2 3 4 5 6 7 8 9, 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18, 10, 1 2 3 4 5 6, 7 89, 10 11 12 13 14

010 010 010 010
Input E.Q.
BASS
GAIN MIDDLE TREBLE FX SEND FX
RETURN
LINE OUT HEAD
PHONES
B30
Power
POWER
ON
PASSIVE
ACTIVE
Input
GAIN
010+15 -15 +15 -15
COMP
010 010
-15dB
Active
+15dB
0
100 Hz 250 Hz 500 Hz 1 KHz 2.5 KHz
LIMITER
VOLUME FX
SEND FX RETURN LINE
OUT
B65
E.Q.
BASS TREBLE
Power
POWER
ON
1 2 3 4 5 6 7 8 9
10
1 2 3 4 5 6
7
89
10 11 12 13 14
GAIN
E.Q.
BASS TREBLE COMP Volume
FX
SEND FX RETURN LINE
OUT
LIMITER
EARTH
LIFT
BRIGHT
DEEP
-15dB
+15dB
0
80 Hz 160 Hz 320 Hz 640 Hz 1K 25Hz 2KHz
PASSIVE
ACTIVE
Input
2.5KHz
Solidstate Valve -15 +15 -15 +15 010 010
010
BLEND
D.I.
Power
POWER
ON
B150
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18