RIAA equalizer deviation PHONO MM: ±0.5dB. Maximum allowable input PHONO MM: 45mV (1kHz 0.03% THD), CD etc.: 2.2V (1kHz 0.5% THD). Total harmonic distortion PHONO MM to REC OUT: 0.03% or less (20Hz to 20kHz 2.5V), CD etc. to SP OUT: 0.019% or less (20Hz to 20kHz 50W/8Ω).