A
B
GUITAR INPUT
C J1
4 1 5 2 3 6
2K2
4N7
500K LOG R17 R26 39K
TREBLE-/BASS+
TREBLE+/BASS-
R12
C6 39K
6N8
C11
REVERB LEVEL
R27 2K2
R18 100u
C10
R29
R30 47k 1M
f1 f2
C13
R32
1K
R28
2 3 U1A TL072
10K -5V
470K
1M
C5 R15
+5V
100N
C16
100N 1
4 1 5 2 3 6
4
J2 R24 56K
68N
C8
1MLIN
10N
Vin
U2 BTDR-1H
100N
+5V C14
8
8
VOUT
Vb
ECL86
1
1
R35
1K R37
10K
C12 100N
9
9
100N
C9 100N
R16 470K
R8 470K
C2
R4 100K
2
Date:
Size A4
Title
10K
10K
R39
R38
SET MAX. REVERB
R3 1 V2B 100K
V3B ECL86
470K
470K
R25
R7 820R
R2
TREMOLO/REVERB SW
R20
470K
100K
C15
R33
C3 10N
TREMOLO SPEED
R11 680K
R14
R22
10N
TREMOLO DEPTH
15N
115K
1K R23
820R
R19
8
7
R9 470R C4
6 ECC83 V1B
100N
R31
100K
1ECC83
3 4 9 5
TONE CONTROL
500K LIN
R13
2
V1A
R5
VOUT2 2
7
Vcc
C1
GND SIG 3
D
GND PWR 5
R1 220K
4 8
3
N.C. 6
Vb
+
4
R34
U1B
TL072 7
115K
Va
Vg2
V3A 7
3
3
ECL86
6
6
7 ECL86
Vg2
T1
5
4
1
1
TP2
TP1
Friday, November 28, 2014
2013-35-A
Document Number
1 BRN A1 2 RED CT 3 BLU A2 4 BLK 8 OHMS SEC 5 GRN 8 OHM SEC +
Sheet
1
of
2
Rev A
speaker 8 ohms+
speaker 8 ohms-
Hammond 1750E pinouts
OPT HAMMOND 1750E
3
2
1
© 2014 Bergqvist Copenhagen
R40
5
2 4
10k
10K
R36
f2
f1
R21 1K
100u
C7
V2A
1
The Shrimp Personal Guitar Amplifier
5
6
4 2
5
R10 125R
R6 1K
f2
f1
+
-
-
5
A
B
C
D
The Shrimp – Personal Guitar Amplifier Illustrations:
Figure 35-1 Amp schematics
395