Audio Engineering

270 Chapter 8

19 17

22 15

24

13.7

26

12.1

29

10.7

33

9.3

38

7.8

47

5.9

3.7

52 1.5

 0

Attenuation (dB)

6 8

5 11

4

13

3

16

2.5

18

1.3

22

0.63

28

0.19

32

35

0.06 53

0 63

Voltage gain (Vout/Vin)

10 13

8 17

6

21

5

25

4

29

2

34

1

41

0.3

50

64

0.1^84

0 100

Voltage %

9.6 8.3

6.73

5.83

4.79

9.8

4.08

3.43

2.77

2.15

1.05

9.6 1.4

Input clip volts (PK)

1 1.7

0.6^3

0.4

4

0.25

6

0.16

8

0.04

12

0.04

17

0.008

25

42

0.001 71

0 100

Power %

4 5 6

3 7

(^28)
(^19)
0 10
Panel marking
17 19
14 21
12
22.4
9.5
23.9
7
25.3
3
26.7
 2
28.2
 12
30
32.3
 23 34.6
α 38
Voltage gain dB
Gain
Control
Identification