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CTs 2-Channel Power Amplifiers
Operation Manual
Detent 26 dB 4/8 ohm or 70/100V
0 (full CW) 0.0 0.0
10.50.5
21.01.5
32.03.5
43.05.0
54.06.5
65.08.0
76.09.5
87.011.0
98.013.0
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