Schematic Prints Tube12A

User Manual: Tube12A

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Y:\TUBE 12\TUBE 12A update 28FEB02FC\Schematics\TUBE 12A 26

M

Date: 4/16/2004

Kustom Music

4940 Delhi Pike

Cincinnati, OH

45238

Tube 12A

1N4003

D44

1N4003

D41

1N4003

D43

1N4003

D42

LED1

1.5K

R45

+

22uf/50V

C44

+

47uf/100V

C42

POWER

+

2200uf/50V

C43

+

22uf/50V

C45

1K

R40

+80VB

+14.4V

FUSE

F1

1 2

POWER

SW1

3

2

1

84

4558

IC1A

84

5

6

7

4558

IC1B

3

6

4

1

BASS INPUT

J1 10K

R3

1M

R1

220K

R4

2.2K

R5

2.2K

R6

150P/50V

C2

150P/50V

C6

+

4.7uf/50V

C7

68K

R16

470

R18

CW A10K

VR1

CW

A250K

VR3

CW

B250K

VR2

270pf/50V

C13

0.022/50V

C14

CW

A250K

VR4

100K

R27

220K

R25

150P/50V

C20

1N4148

D1

1N4148

D2

+24V

+24V

+24V

HIGH

GAIN

LOW

LN

G

IEC

AC PLUG

1

AC LINE

QD2

1

AC NEUTRAL

QD1

+

1

-

2

3

4

5

LM1875

IC2 1N4003

D8

1N4003

D9

+

22uf/50V

C21

22K

R29

1K

R28

0.1/50V

C22

4.7

R30

470

R32

3

6

4

1

2

5

HEA DPHO NE

J2

+40V

+14.4V

+40V

SPKR+

SPKR-

470

R33

CELESTION Super 8

1

PRIMARY 1

QD3

1

PRIMARY 2

QD4

100V

120V

240V

TRANSFORMER P/N FUSE

5600-0710

5600-0720

5600-0730

T315mA/250V

T315mA/250V

T200mA/250V

.01/250VAC

C41

22K

R9

0.022/50V

C8

470

R31

0.022/50V

C16

220K

R2

0.1/50V

C1

220K

R7

+14.4V

100K

R10

220K

R8

+

1000uf/35V

C24

100K

R24

SW1B

SW1A

1

2

3594

12AX7

V1A

7

6

8

12AX7

V1B

1.5K

R14

2.2K

R12

0.1/50v

C23

1M

R19

10K

R13

470K

R15

0.022/100V

C10

1N4148

D3

1N4148

D6

1N4148

D4

1N4148

D5 22K

R20

2.2K

R23

0.022/100V

C18

100K

R21

+80VB

+80VA

0.1/ 50V

C5

S1A

P1A

P1B

S1C

S1B

S2A

S2B

TRA NSFORMER 56 00- 07XX

T1

1K

R42

100K

R46

1

2

3

4

5

HEADER 5P 4MM

CN2

150K

R47

1N4003

D45

1N4003

D46

24V1W

D47 +

47uf/100V

C47

+

47uf/100V

C46

10K

R48

!

DENOTES CRITICAL COMPONENT

REPLACE ONLY WITH IDENTICAL

KUSTOM PART

+24V+40VBLUE

1N4749

ON

ON

0.22/50V

C3

+80VA

+

47uf/100V

C48

10K

R49

Internal Speaker

1N4003

D45

!

!

!

!

SEE CHART

SEE CHART

VOLUME

0.039/50V

C12

1M

R17

SW2

ON

SHIFT

0.015/50V

C11

3

6

4

1

EXT. SPKR

J51

3

6

4

1

LINE OUT

J52

1K

R51

10K

R52

1

2

3

4

5

TJ C6- 5A

CN51

INT.SPKR-

INT.SPKR+ 1

2

CN5

SPKR+

SPKR-

SIGNA L G ROU ND

8 ohm 15 Watt 8 inch

1

2

3

TJ C6- 3A

CN4

BACK PANEL JACK PCB

FRONT PANEL PCB ASSEMB LY

+

47uF/16V

C53

1N4003

D53

9014

Q51

10K

R56

10K

R55

4.7K

R57

+

47uF/16V

C54

1/1W

R53

1N4148

D54

1K

R54

K5 1

10/2W

R58

1

2

TJ C3- 2A

CN53

1

2

TJ C3- 2A

CN52

1

2

SCN-2Y

CN1

1

2

SCN3-2Y

CN3

1N 40 03

D5 2

1N 40 03

D5 1

10 00 uF/1 6V

C51

47 uF /1 6V

C52