Rotel RKB-850

Model RKB-850 Continuous Power Output (20Hz-20kHz, <0.1% THD, 8 ohms) 50 watts / channel (8 ch driven) Total Harmonic Distortion (20Hz-20kHz, 8 ohms) < 0.08% Intermodulation Distortion (60 Hz : 7 kHz, 4:1) < 0.08% Damping Factor > 150 Input Impedance / Sensitivity 100k ohms / 0.6V Amplifier Gain 30 dB Frequency Response 20Hz - 20kHz, +0dB/-1.4dB Signal to Noise Ratio (IHF A) 108 dB Crosstalk / Separation > 60 dB Speaker Impedance 4 ohms minimum Power Requirements: USA: EC: 120 Volts, 60 Hz 230 Volts, 50 Hz Power Consumption 150 watts Idle: 40 watts Standby: < 0.5 watts Dimensions (W x H x D) 430 x 97 x 424 mm (17 x 3 7/8 x 16 3/4 ins) Front Panel Height 2U (88.1mm, 3 1/2 ins) Weight (net) 9.3 kg, 20.5 lbs. Accessories Included Rack Mount Kit.