layout ac30 normal and top boost channel -...

Power transformerOutput transformer

Drossel

1

2

3

45

6

7

8

1

2

3

45

6

7

8

9

1

2

3

45

6

7

8

9

1

2

3

45

6

7

8

9

1

2

3

45

6

7

8

9

1

2

3

45

6

7

8

9

1

2

3

45

6

7

8

9

1

2

3

45

6

7

8

9

1

2

3

45

6

7

8

9

PE

220

u 2

5V

+

220

u 2

5V

+

220

u 2

5V

+

22

0u

25V

+

+

22uF 450V

+

22uF 450V

Mallory 150

4n7F / 630V

Mal

lory

150

10nF

/ 63

0V

22u

35V

+

22u

35V

+

Mallo

ry 1

50

0,1

uF

/ 6

30V 2

2u

F 3

50V

+

Mallo

ry 1

50

4n7F

/ 6

30V

33uF

350V (F

&T

)

+

Mallo

ry 1

50

22nF

/ 6

30V

Mallo

ry 1

50

22nF

/ 6

30V

Mallo

ry 1

50

22nF

/ 6

30V

Mallo

ry 1

50

22nF

/ 6

30V

+

10u

F 3

50

V

Mallo

ry 1

50

47nF

/ 6

30V

Mallo

ry 1

50

47nF

/ 6

30V

Mallory 150

22nF / 630VC11a

J1High J3HighJ2 Low J4 Low

R2

/ 1M

R3 / 6

8k

R1 / 6

8k

R8 / 6

8k

R10 / 6

8k

R9

/ 1M

R11

/ 1k5

R13 / 1

k5

R15 / 5

6k

R5 /2

20k

R12/2

20k

R4 / 1

k5

C1

C4 C20C21

C19

C18

C17

C3

R37 / 2

2k

C5 / 4

70p

C9 / 4

7p

C6 / 120p

C2

R6 / 100k

R38 / 1

0k

R14 / 1

00k

C7

C10 C8

R16 / 1

00k

R7 / 1

00k

R17 / 1

0k

R18 / 2

20k

C11 C12

R19 / 1

MR

20 / 1

M

R22 / 1

k2R

21 / 4

7k

R23 / 1

00k

R24 / 1

00k

R36 / 2

2k

C13C14

R25 / 2M2

R26 / 2M2

C15

V5 V6V4 V7

R32 / 1

00

R34 / 1

00

R33 / 1

00

R35 / 1

00

R27

/ 1k

5

R28

/ 1k

5R29 / 1k5

R30 / 1k5

V1V2

V3

P2 / A500k (Volume Normal)

Normal Top Boost

P1 / A500k (Tone) P3 / A500k (Volume Top Boost) P5 / A1M ( Treble)P4 / A1M (Bass) P7 / A220k Stereo (Master) P6 / A500k (Cut)

J7 8Ohm J8 16 Ohm

J5 Send J6 Return

SW4Hot/Cool

(Tonestack Bypass)SW3

Tone Bypass

F1Primary Fuse

3A slow

F2HT Fuse

500mA slow

SW1Power

LA1

V9

5V

285V

6,3V

shie

lded w

ire

Star ground

BU1 Power jack w/ fuseholder

connect shield to ground

PE

connect shield to ground

R31(A

) 270R

(3W

)

C16(A) C16(B) C16(C) C16(D)

R31(D

) 270R

(3W

)

R31(C

) 270R

(3W

)

R31(B

) 270R

(3W

)

Connect if no FX-Loop is installed

Upright PartHammond 1441-20

Lower PartHammond 1441-30

Layout AC30 Normal and Top Boost Channel

by Markus Breier, last edited: 17.01.2014

to Choke