Here are the specs:
(A-weighted) 103 dB below rated output for all inputs except Phono. 93 dB below rated 10 mV phono input.
Total Harmonic Distortion (THD):
Less than 0.009% from 20 Hz to 20 kHz at rated output.
Less than 0.0009% at 1 kHz with IHF load.
Phono: Less than 0.009% from 20 Hz to 20 kHz.
Intermodulation Distortion (IMD):
(60 Hz and 7 kHz 4:1) Less than 0.0025% at rated output.
Phono: Less than 0.0025% at rated output.
Adjustable 30 to 50 dB (33 to 330 mV for rated output).
18 dB per octave slope, down 32 dB at 10 Hz.
Bass compensation matched to ISO curves (Robinson-Dadson) down to 60 phons; tracked to Level (gain) control with active network to eliminate unwanted subsonic boost.
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