http://classic-audio.com/technics/SU-8600.htmlabove gives all technical info. All fuctions work well, but there is some slight speaker noise during some operational switching that will require DeOxing if this annoys you. It is in exceptional cosmetic condition and needs no attention for great performance. includes original service manual and great copy of op manual. See Tuner section for its matching tuner. all three units came from same estate sale
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