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Operation Manual
CTs Power Amplifi ers
page 20
5 Advanced Features
and Options
5.3.1 Nominal Attenuation Settings
The signal level for each input can be attenuated repeatably 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.
Detent 26 dB Tolerance (dB) 4/8 ohm or 70/100V
0 (full CCW) OFF — OFF
1 48.0 ±6 54.0
2 36.0 ±6 42.0
3 24.0 ±3 30.0
4 21.0 ±3 26.0
5 18.0 ±3 24.0
6 15.0 ±3 22.0
7 13.5 ±3 20.0
8 12.0 ±1.5 18.0
9 10.5 ±1.5 16.0
10 9.0 ±1.5 14.5
11 8.0 ±1.5 13.0
12 7.0 ±1.5 11.0
13 6.0 ±1 9.5
14 5.0 ±1 8.0
15 4.0 ±1 6.5
16 3.0 ±1 5.0
17 2.0 ±1 3.5
18 1.0 ±1 1.5
19 0.5 +1 –5 0.5
20 (full CW) 0.0 — 0.0
Figure 5.1 Level-control Attenuation per Detent for CTs 2-Channel Amplifi ers
Attenuation in dB