Mark Levinson No.53 Reference monoblock power amplifier Specifications
Sidebar 1: Specifications
Description: Solid-state, monoblock power amplifier with proprietary "class-I" output stage. Inputs: 1 unbalanced (RCA), 1 balanced (XLR). Outputs: 2 pairs binding posts. Maximum output power (20Hz20kHz, at <0.1% distortion): 500W into 8 ohms (27dBW); 1000W into 4 ohms (27dBW). Frequency response: 10Hz20kHz, ±0.1dB. Input impedance: 100k ohms balanced, 50k ohms unbalanced. Voltage gain: 26.8dB. Output impedance: not specified. Input sensitivity: 2.89V input for full output. Signal/noise ratio: 85dB ref. 2.83V RMS (1W at 8 ohms). Power consumption: not specified.
Dimensions: 20.9" (530mm) H 8.4" (214mm) W by 20.4" (518mm) D. Weight: 135 lbs (61.2kg) net, 165 lbs (74.8kg) shipping.
Serial Numbers of Units Reviewed: 9800004366 & '7.
Price: $50,000/pair. Approximate number of dealers: 50. Warranty: 5 years, transferable.
Manufacturer: Harman Luxury Audio Group, 1718 W. Mishawaka Road, Elkhart, IN 46517. Tel: (888) 691-4171. Web: harmanluxuryaudio.com.