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Consumer Electronics / TV, Video & Home Audio / Home Audio / Receivers & Amplifiers / Receivers
Description The QX-646 is equipped with all present quadrophonic systems, CD-4, SQ and regular matrix. It features extra wide linear FM dial scale and an extra large signal strength meter for easy, precise tuning. Other features include program source illumination, headphone terminal and 3 pairs of speaker terminals. Specifications Tuning range: FM, MW Power output: 11W/ch (stereo), 10W/ch into 8Ω (quadraphonic) Frequency response: 10Hz to 100kHz Total harmonic distortion: 1% Damping factor: 40 Input sensitivity: 2.5mV (MM), 180mV (DIN), 180mV (line) Signal to noise ratio: 70dB (MM), 90dB (DIN), 90dB (line) Output: 180mV (line), 30mV (DIN) Speaker load impedance: 4Ω to 16Ω Semiconductors: 9 x FET, 5 x IC, 109 x transistors, 45 x diodes Dimensions: 525 x 149 x 360mm Weight: 12.3kg Accessories: FM T-type antenna, PQX-1011 CD-4 test record Year: 1974