... 41, 44 dB selectableLevel adjustment (per CH.): Front-panel potentiometer, 31 position detente from –I nF to 0 dBInstallation Standard ... 41, 44 dB selectableLevel adjustment (per CH.): Front-panel potentiometer, 31 position detente from –I nF to 0 dBInstallation Standard ... 41, 44 dB selectableLevel adjustment (per CH.): Front-panel potentiometer, 31 position detente from –I nF to 0 dBInstallation ...