This Dual C 844 is a stereo cassette deck with Dolby B and C noise reduction, it was first sold by Dual in 1981 with a recommended retail price of USD $700. The main features of the Dual C 844 are: 3 heads and off-tape monitoring, digital tape counter with 4 digits and memory stop, manual tape type selection and capable of handling normal, chrome, ferro-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 directly over the head block. Additionally the heads can be easilly accessed for cleaning. Level meters used on the C 844 are analog needle VU reading meters with peak indicator for easy adjustment of optimum recording level. Full-logic transport controls used on the C 844 let it respond to the slightest finger contact for fast and effortless transport function selection. 9,5 cm/s faster recording/playback speed used in the C 844 offers extended frequency response, increased dynamic range and transient response. C 844. Dolby C-type used in the C 844 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. 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 C 844 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs. To make live recordings this deck has 2 microphone inputs to connect microphones with a jack connector. 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. The advertised device was professionally restored in December 2023. Functionality tested - verified! It will be shipped extremely carefully packed. If required, I can send video recordings recorded while working.