Denon DR-M24HX High-End Cassette Deck

Denon DR-M24HX is a stereo cassette deck with double Dolby B/C and HX-Pro noise reduction, it was first sold by Denon in 1987-1988

The main features of the Denon DR-M24HX are: 3 heads and off-tape monitoring, digital tape counter with 4 digits, automatic tape type selection and capable of handling normal, chrome and metal tapes, belt driven dual-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 DR-M24HX are generic digital peak reading meters. Full-logic transport controls used on the DR-M24HX let it respond to the slightest finger contact for fast and effortless transport function selection.
To ensure the best response from the wide variety of tapes available adjustment of, bias and sensitivity, to optimum levels can be performed prior to recording.
Dolby C-type used in the DR-M24HX 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 three-head configuration of the DR-M24HX requires a Double Dolby system, one for recording and one for playback. 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 DR-M24HX filters out the pilot signal, and assuring proper Dolby processing of stereo Radio programs.