General specifications 0 dbu = 0.775 vrms output impedance of signal generator (rs) = 150Ω all level knobs are nominal if not specified. Frequency response input to stereo out +0.5 db/-1.0 db (20 hz to 48 khz), refer to the nominal output level @1 khz, gain knob: min total harmonic distortion (thd+n...