Denon DRS-640 Stereo Cassette Tape Deck

This Denon DRS-640 is a stereo cassette deck with Dolby B/C and HX-Pro noise reduction, it was first sold by Denon in 1993 with a list price of USD $300.

The main features of the Denon DRS-640 cassette deck are: 2 heads, 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 loading/unloading is operated motorized and the cassette needs to be placed horizontally in the drawer.

Level meters used on the Denon DRS-640 cassette deck are generic digital peak reading meters. Full-logic transport controls used on the Denon DRS-640 let it respond to the slightest finger contact for fast and effortless transport function selection.

Dolby C-type used in the Denon DRS-640 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. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the DRS-640 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

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. All main transport commands can be issued remotely with a wireless remote control.