Considered a collectible classic. Audiophile quality high-end piece of equipment, sounds great and looks awesome! - Rated at 55 RMS WPC, but measures at 67 per channel - THD always below 0.05 - Frequency response 10 - 50000 Hz - Outstanding build quality with attention to detail - Can drive any 4/8 Ohms speakers with ease - 2 speakers outputs - Phono 1/2, Aux, Tape 1/2 Play/Record, AM/FM - Extra DIN connector, 2 power outs - Dolby FM, Mono/Stereo - Subsonic/High filters/Loudness - Dual channel red dot power meters - Peak level indicator - Weights 30 lbs - Measures 19 x 15 x 7 inches WAS CLEANED AND SERVICED. WORKS GREAT! Specifications Tuning range: FM, MW Power output: 55 watts per channel into 8Ω (stereo) Frequency response: 10Hz to 50kHz Total harmonic distortion: 0.05% Damping factor: 60 Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio: 66dB (MM), 86dB (line) Dimensions: 490 x 355 x 180mm http://vintageaudioreviews.blogspot.com/2016/04/luxman-r-1050-receiver-1977-1980.html