page 17
CTs 2-Channel
Power Amplifiers
Operation Manual
Detent
26 dB
4/8 ohm or 70/100V
0 (full CW)
0.0
0.0
1
0.5
0.5
2
1.0
1.5
3
2.0
3.5
4
3.0
5.0
5
4.0
6.5
6
5.0
8.0
7
6.0
9.5
8
7.0
11.0
9
8.0
13.0
10
9.0
14.5
11
10.5
16.0
12
12.0
18.0
13
13.5
20.0
14
15.0
22.0
15
18.0
24.0
16
21.0
26.0
17
24.0
30.0
18
36.0
42.0
19
48.0
54.0
20 (full CCW)
OFF
OFF
5 Advanced Features
and Options
5.3.1 Nominal Attenuation Settings
The signal level for each input can be attenuated accurately by
adjusting the 21-step Level Control (see Section 4.3). Figure 5.5
shows the attenuation in dB for each detent. The setting of the
input-sensitivity switch varies the actual attenation as shown.
The accuracy of the attenuation varies with the setting. Expected
tolerances are:
Potentiometer steps 0-6 dB:
± 1 dB
Potentiometer steps 6-12 dB:
± 1.5 dB
Potentiometer steps 12-24 dB:
± 3 dB
Potentiometer steps 24-54 dB:
± 6 dB
Figure 5.5 Attenuation vs. Detent of Level Controls for CTs 2-Channel Amplifiers
Summary of Contents for CTs 1200
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