The Nakamichi 680 ZX is a cassette deck that was introduced in the late 1980s as part of Nakamichi's lineage of high-quality tape machines. This model features advanced technologies designed for superb tape playback and recording capabilities. A key aspect of the 680 ZX is its three-head system, which allows for simultaneous listening and recording, ensuring that the operator can monitor the playback without interruption. The tape transport mechanism is finely engineered for precision, enabling it to handle a variety of cassette formats with great fidelity. Additionally, the unit is equipped with a sophisticated Dolby B and C noise reduction system, reducing unwanted tape hiss and improving overall sound clarity. The Nakamichi 680 ZX also features a full logic-controlled transport, which provides intuitive operation through its buttons and a bright LED display that indicates transport status and level meters. The deck supports both normal and high-bias tapes, making it versatile for users who favor different media types. In terms of build quality, the deck has a solid construction with an aesthetically pleasing design that includes a brushed aluminum front panel. It is frequently appreciated for its durability and reliability, traits that make it a popular choice among enthusiasts and collectors.