ONKYO Stereo Cassette Tape Deck K-W511M ● Double quick reverse cassette deck from the INTEC275 series. Equipped with a double quick reverse mechanism. ● Features an A/B switching display type tape counter. ● Equipped with a normal/high 2-speed tape dubbing function. ● Built-in Dolby B/C NR/HX-PRO. 【Product Specifications】 ・Type: Double Quick Reverse Cassette Deck ・Wow and Flutter: 0.07% WRMS ・S/N Ratio: 78dB (Metal tape, Dolby C on) ・Frequency Response: 20Hz～17kHz (Metal tape) ・External Dimensions: Width 275 x Height 118 x Depth 307mm ・Weight: 4.7kg I occasionally played and used it. It is generally in good condition, except for the marks of the rubber feet on the top panel. I have confirmed the recording and playback operation, including high-speed dubbing, just before, and there were no particular problems at this time. For those who understand used goods and vintage items.