Specifications - NAD 312Continuous average power output into 8 25W (14dBW)(Min power per channel, 20Hz - 20kHz both channels driven with no more than rated distortion)Rated distortion (THD 20Hz - 20kHz) 0.03%Clipping power (max continuous power per channel) 40WIHF dynamic headroom at 8 3dBIHF dynamic power (max short term power per channel) 8 50W (17.0dBW)4 60W (17.8dBW)2 75W (18.7dBW)Damping factor (ref. 8 50Hz) >60Frequency response 20Hz - 20kHz ±0.3dB3Hz/70kHz -3dBTHD (20Hz - 20kHz, from 250mW to rated power) <0.03%Input impedance (R and C) Line inputs 20k /500pFPhono input 47k /200pFInput sensitivity (ref. rated power) Line inputs 165mVPhono input 2.7mVSignal to noise ratio (A weighted) 90dB ref. 1W104dB ref. rated powerSignal to noise ratio Phono (A weighted, with cartridge) 77dB ref 5mVFrequency response (20Hz - 20kHz) ±0.5dBPreamp output impedance 220Tape output impedance Source Z + 2kHeadphones output impedance 220Treble control ±7dB at 10kHzBass control ±10dB at 50HzPhysical specificationsDimensions (W x H x D) 435 x 95 x 285mmNet weight 6kgShipping weight 7.5kgPower consumption 160WNOTE: NAD reserves the right to change specifications or design at any time without notice. All specifications are those in effect at time of printing.