CH and CL Series Power Amplifiers
4 Advanced Features
and Options
4.3.4 Precision Detented Level
Controls
A21-position Precision Detented Level Control is provided for each channel. Level attenuation may be adjusted in precise steps as shown in Figure 4.5. For security, the level controls are located on the back panel.
ATTENUATION in dB
Detent | 4/8 Ohm | 70V | 100V |
| | | |
0 (full CCW) | -68.31 | -72.90 | -71.02 |
| | | |
1 | -67.54 | -72.06 | -70.26 |
| | | |
2 | -32.23 | -36.61 | -34.90 |
| | | |
3 | -25.46 | -29.74 | -28.00 |
| | | |
4 | -21.83 | -25.87 | -24.22 |
| | | |
5 | -19.23 | -23.20 | -21.58 |
| | | |
6 | -17.12 | -20.94 | -19.40 |
| | | |
7 | -15.36 | -19.02 | -17.53 |
| | | |
8 | -13.76 | -17.22 | -15.79 |
| | | |
9 | -12.28 | -15.53 | -14.20 |
| | | |
10 | -10.84 | -13.90 | -12.62 |
| | | |
11 | -9.51 | -12.32 | -11.16 |
| | | |
12 | -8.28 | -10.87 | -9.81 |
| | | |
13 | -7.09 | -9.45 | -8.45 |
| | | |
14 | -6.03 | -8.11 | -7.22 |
| | | |
15 | -4.92 | -6.70 | -5.94 |
| | | |
16 | -3.82 | -5.26 | -4.63 |
| | | |
17 | -2.62 | -3.70 | -3.21 |
| | | |
18 | -1.35 | -1.90 | -1.66 |
| | | |
19 | -0.01 | -0.01 | -0.01 |
| | | |
20 (full CW) | 0.00 | 0.00 | 0.00 |
| | | |
Figure 4.5 Level-control Attenuation per Detent
