The Nakamichi 600 Two Head Cassette Deck... 1975 Vintage and still offers amazing sound! I recently refurbished repairs and realigned this unit. Video link in subtext if interested. : r/audiophile
Nakamichi CR-4E 3 Head High End Cassette Tape Deck Vintage 1988 Work Good Look | eBay
A Deep Dive Into The Legendary Nakamichi Dragon Cassette Deck - Full Tutorial - YouTube