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I found this Sony Walkman WM-F404 in japan but i'm not sure if they work : r/cassetteculture
SONY RECORDING WALKMAN WM-F404 | eBay
WM-F404 from 1988. After a thorough cleaning caused by a melted belt, along with fixing loose parts and stuck playback button, it works great again. EX DBB (Dynamic Bass Boost) is amazing -