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A B C D
5A
C1 220K S4 1MEG NC
4 V1+ V1+
NC L H
J8 P1 P2 2.2N 50V NC 5 V2+ BASS 250K
B
T 1 1 C68 R1 6 NC W
TS 2 2 R105 TG2P2T VR22 CW L
V1+ S3
RS 3 3
2.2N 50V
4 NC R2 R7 NOISE GATE W
R 4 4
2.2MEG R6 NC 5
100K 150K
VR7 V2+
S WPCB4X4 6 NC R4
V_NIN
FAT ULTRA
56K TG2P2T
100K R8
nc
AGND R11 NC
C3 R10 C4 HW4 D2 HW5
LOW GAINCGND 150K TG2P2T RLY12V 100K
INPUT
3 1N 630V 22N 400V
C2
SHIELDED B MID R13
2 470K R9 250K C5
1 4
AGND V1 1 V2 6 1N4148 P72-2 P73-2 100K
C7 S4 R12 CW L
R3 P52-6 S3 2 SHIELDED D1 22N 400V
1 3
K2 3 K1 C6 C8 680K 47K P72-1 P73-1 2.2N 50V
22K 2 C15 2
P70-2 P71-2
2 7 V2 1
NC VR8 WR108 R14
47N 400V P53-6 NC 3 C12 CW C10
TG2P2T 4 47N 400V 470P 50V 1N4148 100K 150K
V1 6
C13 100P 50V P70-1 P71-1 R96 AGND1B VR6 R15
FAT CRUNCH
RLY12V NC
10N
470K 2
W C11 47N 400V
R18 C14 R27 270P 50V 12AX7 12AX7
K4 LDSW1 100K V3 6
J1 T
P53-1 P52-1
7 R19 3 400V 8 3 10K SHIELDED
220K R21 2 L 20A 1N 50V
1 TS 100N 100V R23 TREBLE CW 1MEG R17 CRUNCH R16 R20 NC 1
RS 22K C18 VR4 470K
4 12AX7 C9 P74-1 P75-1 R24
R R25 100K W 1MEG 3 VOLUME TREBLE 10K 220K 7
C19 RLY12V AGND1B 1MEG
S 470K 12AX7 C25 CW CW R30 R28 B
C16
V_NIN 39P 8 250K
CW VR5 VR10 C21 C63 22N 250K P74-2 P75-2
nc L 20A 1.5K 1.5K 50V AGND1B CW L
AGND 50V GND C17 VR1 W W
22U R31 12AX7
HIGH GAIN W 270P GND
1N R29 C20 100P 50V
CGND P52-2
50V 50K 1MEG 470N
GND
50V R22 VR9 W R26 1MEG 8
INPUT R33 100N 50V 1MEG L 20A L 5A 50V 50V 1.5K 22K R106 240K
P52-5
C24 L 20A CLEAN 22U C67 AGND1
GND 1.5K
C23 VOLUME K2 CRUNCH ULTRA 50V 240K
C22 RLY12V
R32 6 GAIN GAIN GND GND
GND GND
GND
R34 C26
AGND 1N
AGND
22U 10K 7 5
50V 5 50V 100P 50V AGND1 1.5K
22N AGND1B 7
50V BASS250K
B 6 22U
RLY12V GND K3 50V
P53 GND AGND1B CW L
1
P53-1 CW
2 L 20A
3 VR3 250K R40 VR12 W R39
P53-3
4 MID W AGND1
P53-4
5 W BASS 2.2MEG B
6 P52-7
10K
VR2 R37 ULTRA 250K MID 100K RLY12V
P53-6
7 L B CW K1 6 D4 VOLUME CW L C28
+17V +17 240K 4
P53-8
8 7 R38 P53-8 P52-8 CW
2
5 1 VR11
CAB8X5 AGND R41 VR13 W 2.2N 50V 3 P57-6 P56-6
AGND
270 K4 W R42 K3
RIBBON CABLE TO MAIN BOARD RLY12V GRN D3
AGND
AGND RLY12V
100K R107 150K
8
10K
AGND1 L 20A 240K
1N4148 C29
AGND1B 1N 50V
R35 R36 R43
-17V R44
10K
47