Sony TC-K690 Stereo Cassette Deck

This Sony TC-K690 is a stereo cassette deck with Dolby B/C and HX-Pro noise reduction, it was first sold by Sony in 1992 with a list price of USD $350.

The main features of the Sony TC-K690 cassette deck are: 3 heads and no off-tape monitoring to save production cost, digital tape counter with 4 digits, tape type selection and capable of handling normal, chrome and metal tapes, dual capstan transport.

Typical front loading cassette deck with the cassette compartiment located on the left side of the deck.

Level meters used on the Sony TC-K690 cassette deck are generic digital peak reading meters.

Dolby C-type used in the Sony TC-K690 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. The Dolby HX PRO system provides precise bias control during recording to reduce distortion and improve linearity in the high-frequency range, the result is recorded sound that is highly faithful to the original.

For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable.

• AMS (Automatic Music Sensor)