TEAC V-680 are: 3 heads and no off-tape monitoring to save production cost, digital linear tape counter with 4 digits, automatic tape type selection and capable of handling normal, chrome and metal tapes, belt driven single-capstan transport.
Typical front loading cassette deck with the cassette compartiment located on the left side of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well.
Level meters used on the V-680 are generic digital peak reading meters. Full-logic transport controls used on the V-680 let it respond to the slightest finger contact for fast and effortless transport function selection.
Dolby C-type used in the V-680 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type.