Mark Levinson No.331 power amplifier Specifications
Description: Solid-state stereo amplifier. Rated output power, 20Hz20kHz, with no more than 0.5% THD (FTC): 100Wpc minimum continuous into 8 ohms (20dBW); 200Wpc minimum continuous into 4 ohms (20dBW); 400Wpc continuous into 2 ohms (20dBW). Peak output voltage at rated line voltage: 48V into 8 ohms. Frequency response: 20Hz20kHz ±1dB. S/N ratio (main output): <80dB (ref. 1W). Input impedance: 100k ohms balanced, 50k ohms single-ended. Voltage gain: 26.8dB. Input sensitivity (for 2.8V output): 130mV. Input sensitivity (for full output): 1.3V. Output impedance: !x0.05 ohms, 20Hz20kHz. Damping factor: >800, 20Hz20kHz into 8 ohms. Power consumption: typically 260W at idle, 110W in standby.
Dimensions: 17.56" (446mm) W by 18.85" (479mm) D by 9.3" (232mm) H; faceplate curve depth 1.22" (31mm). Shipping weight: 112 lbs.
Price: $4550 (1996); no longer available (2009). Approximate number of dealers: 75.
Manufacturer: Madrigal Audio Laboratories, Middletown, CT 06457 (1996). Mark Levinson division of the Harman Consumer Group, 1718 W. Mishawaka Road, Elkhart, IN 46517. Tel: (516) 594-0300. Web: www.marklevinson.com (2009).