Crown Studio Reference II Amplifier

Specifications
Input sensitivity for rated output: 26 dB voltage gain (unbalanced).
Rated FTC output in stereo mode with less than 0.1% THD:
355watts per channel (20 Hz to 20 kHz) into 8 ohms.
Hum and noise: at least 120 dB (A weighted) below full rated output power.
Phase response: +5 to –15 degrees from 20 Hz to 20 kHz at 1 watt.
Frequency response: 20 Hz to 20 kHz, 0.1 dB at 1 watt into 8 ohms per channel in stereo mode.
Damping factor: greater than 20,000 from 10 to 200 Hz into 8 ohms.
Intermodulation distortion (SMPTE): less than 0.005% from full bandwidth power to
78 watts rising linearly to better than 70 dB at 20 kHz.
Harmonic distortion: less than 0.02% at rated low-distortion 1 kHz power
Performance
Frequency Response: ±0.1 dB from 20 Hz to 20 kHz at 1watt.
Phase Response: +5 to –15 degrees from 20 Hz to 20 kHz at 1 watt.
Signal-to-Noise (A-weighted) below rated full bandwidth power: 117 dB.
Total Harmonic Distortion (THD): Less than 0.1% at full bandwidth power.
Intermodulation Distortion (IMD): (60 Hz and 7 kHz 4:1)

Studio Reference II: < 0.005% from full bandwidth power to 36 watts rising linearly
to 0.025% at 36 milliwatts.
Crosstalk (below rated full bandwidth power):

Studio Reference II: >100 dB from 20 Hz to 400 Hz and >65 dB at 20 kHz.
Damping Factor: >20,000 from 10 Hz to 400 Hz.