Pathos Acoustics InPower Schematic

MANUAL SERVICE

InPower

{Doc}

InPower Vacuum Preamp. Stage

A4

1 3Saturday, December 26, 1992

Title

Size Document Number Rev

Date: Sheet of

275 v

270 V

+12.6 V

PATHOS ACOUSTICS

R1

100!

1 2

C1

0.1/400V

1

2

Q1
MPSA 42

C2
100/350V

1

2

V1
ECC83

2

3 4 5

1 6

7

4 5 8

R4

82 K

1

2

R3

82 K

1

2

V2
ECC82

2

3 4 5

1 6

7

4 5 8

C4

0.1/400

1

2

C3
100/350

1

2

C5

6.8/100

1 2

R5
470K

1

2

C8

6.8/100

1 2 R10

27K

1

2

R9
27K

1

2

R12
2K5

1

2

R8

2K2

12

D1
1N4007

1

2

R13
3K65

1

2

C11
1000/25

1

2

R2

2K2

1 3

2

R6

2K2

13

2

R7
470K

1

2

R11

270K

1 2

C12

330!f/63 V

1

2

D2

30 V

C6

0.1/250

1 2

C7

1/250

1 2

C9

0.1/250

1 2

C10

1/250

1 2

in +

in -

out +

out -