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1

2

3

4

5

6

F

F

C12 10N

R13 10K R14 10K R16

C13 120P C24 82N
V+ 1 1

50KA P2
3 2

Drive Main-PCB
C31 10N
V+

R23 820 C26 2N2 D22

160K SW1A SS22F32 C14
2 2 1 3

J1 AMJ200

Input-PCB
R11
2 4 1

C25 3.3 R21 2K7

R24 1K5

LED D21 LED

56K JP1
1 2

3

Hi
E

JP2
1 2

C11
4

U3A
5 V-

1

4558S

SHIFT
V+ 9 7

1 R17 1M

J2 AMJ200

R12
2 4 1

0.1 SIP2 SIP2

R15 1M

C27
8

R25 10K D23 4148 D24 4148

R26
3

10KB P3
1 2

C32 4N7 R31

3 4

E 2

C22
6

U4A
5 V-

56K C21 82N 0.1 C23 22N R22 10K

Lo

U3B 4558S

1

680 C28 6N8

10K

R32 10K C33 1N C34 1N

4558S

Reverb
V+ 2 D V+ V+ 2

Circuit

shielded cable!

JP6
1 2

JP5
1 2 2 4 1

J4
D

C42 22N R42 680

3 1

C44 5N6 R46

3 1

C46 3N3 R49 R48 33K 220 R50 82K C45 22N

2

R33 4K7

Q41 C2362G

Q42 C2362G

Q43 C2362G
3

GC-16R only!
V+

SIP2 U6
OUT BYP 5 6

SIP2

Reverb On-Off
L81 22uH
7 1 2

J8003

R18 36K

3

P1 100KA
2

P4 50KA
2 2

C

C48 1N P5 50KB R45 680
2

3

3

2 Springs 600-2.2K
C81 22N R81 56K R83 18K R86 4K7 C85 33

7 8 6

9

Clean Volume

Drive Volume

C41 1
V-

C43 56N
V-

4

R80 10K
V-

3 4

2

C15 2N7

R43 120K

R44 33K

1K2 R47 120K

+

C35 2.2

1

C82 33 H1 REVERB C84 15N

2 3

R51 33K

ININ+ GN1 GN2

Reverb
R87 1K

250KB
3 1

Rev-PCB
C86 47P

1 8

P8

Speaker ML080815

LM386

V+

to Speaker
JP3A XSIP2 JP3B XSIP2 1 2 C

R53
2

4558S U5B

3

3

1

Bass
SW1B
6 5 4

Mid
1

9

R19 10K C16 3N3
B

1

R41 2K2

1

P6 50KB

Treble

1

1

C47 2N2

10K
V+ 7 6

P7 50KB

J5 U4B 4558S
8 V+

R82
Y1
3

2 4 1

C83
2

R85 4K7

(wire)

10K

4

U5A
5 V-

Note: J5 is an isolated jack!
5 4 3

J8003

SS22F32
V+ VP+

R52 10K

4558S

33

ext. Speaker
X1 To PA From PA

(wire)

78L15 U1
1 O I 3

Power
C5 2200 D5 LED

D2 R84 4001 D1 JP4 4001 D4
1 2 3 4

(Power Amp)

R75 220/2W
2 7 8 1

B

C1 100N

C3 100N

1K

J3

J60

2

MT-15S Transformer R84: GC-16 only!

Phones

(c) Copyright 1997 - ALL RIGHTS RESERVED
All unspecified capacitors in uF, resistors carbon 5%

-

1

C2 100N
3 A V-

C4 100N
I 2

C6 2200

R3 2K

Sip4 4001 D3

=C=ecYSCUbfYSU7]R8
List of Changes:
Barnerstrasse 42, 22765 Hamburg, Germany
http://wwww.nobels.com - email: [email protected] A

O

U2 79L15

4001
Changed:
VP-

Old 3K9 10K W9 120K 18K

New 10K 4K7 22uH 160K 27K

Reason: more reverb more volume kill HF more gain more gain
5

Title Number: Date: File:

R80 R33 L81 R16 R66
3 4

Circuit Diagram

NOBELS: AMP GC-16/16R
27-Jan-2000
Time:

Size: A4 Sheet 1

Rev: 4b of

17:51:28

2

1

2

R:\$PRO\AMPS\GC-16\DSGN\GC16R_4B.SCH 6

1

2

3

4

5

E

E

VP+

21V DC

R63 4K7

2

C66

3
C65

33P

2
Q64 C2362G

Q63 A1016G

1

D
120P

3
R67 51

D
Q66 BD243B

3 1

1

C63

R70 D61 4148 220

2

2

Q62 C2362G

1
R72 0.5/2W

100P R66 27K R65 1K2 D62 4148

2

C61

1

C
R55 1K8 R64 68K

1

D41 4148

D42 0.1 4148

1K

12

PA

1

2

R61

3

Q61 C2362G

Out out
R73 0.5/2W R74 10/0.5W

3

C
Q65 A1016G

~

C62 10

2

C64 100

2

R62 27K

2

1

3
R68 2K4/0.5W C66 33P

2

1

3
R71 220

Q67 BD243B

C66 0.1

R69 2K4/0.5W

-21V DC B VPB

All unspecified capacitors in µF, resistors carbon 5% All rights reserved - Copyright NOBELS Electronics e.K.

NOBELS ELECTRONICS
Barnerstrasse 42, 22765 Hamburg, Germany
R68,69,74 = 1/2W A Replacement: BD243 : TIP41C A1016G: A1268G C2362G: C3200G 1 2 3 Title No.: Date: File:

www.nobels.com - email: [email protected]

1

Circuit Diagram

A Size: Sheet 5

NOBELS: POWER AMP GC-16R
15-Apr-2003
GC16_PA_4B.sch
4 Time:

00:05:56

A4 Rev: 4b 2 of 2