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Product:Audiophile vintage Optonica SM-5200 integrated stereo amplifier.The Optonica SM-5200 amplifiers delivers 33 watts per channel (8 ohm) and..

Product:High end Optonica ST-7100 FM / AM tuner (1981 - 1982).Condition:Technical condition: 10 / 10Cosmetic condition: 7 / 10Electric power requireme..