http://classic-audio.com/technics/ST-8600.htmlweb technical info on above site This is a wonderful classic tuner with a 5 gang FM tuner the works flawlessly and is in superb cosmetic condition with all lights working. The picture was taken with a multimeter lead in the F antenna connector to show meter deflection and stereo lite. it was fully tested with its matching SU 8600 amp and Crane reflex antenna and works extremely well all thee units came from same estate sale
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