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Dolby B NR

The Dokorder MK-550 is a stereo cassette deck with Dolby B noise reduction, it was introduced by Dokorder in 1977 with a recommended retail price of USD $260 and discontinued 5 years later in 1982.

The main features of the Dokorder MK-550 are:, analog 3 digit tape counter, tape type selection with support for normal tapes, belt driven single-capstan transport.

Typical of this deck is the 70's top loading layout with the cassette compartiment located on the right 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 MK-550 are analog needle VU reading meters. Mechanical transport controls for reliable MK-550 transport function selection.

The Dolby-B system reduces tape hiss on tapes recorded on the MK-550 by as much as 10 dB at the highest frequencies.

Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable.

Compact Cassette

Historic events

1977 The movie "Star Wars" is released, revealing special effects, and film technology never before seen by the general public.
1978 Introduction of the laserdisc player, using technology invented already in the 1960s
1979 The first commercial fully automated 1G (First Generation) cellular network was launched in Japan by NTT
1980 3M, Mitsubishi, Sony and Studer each introduce a multitrack digital recorder.
1981 IBM introduces the IBM PC.
1982 Sony and Philips announce the CD (Compact Disc) in Tokyo

Features of Dokorder MK-550

Connectors
Connectivity
RCA Input/Output Connectors DIN Input/Output Connector
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Cassette Exterior
Exterior
Orientation Right Top Loading
Compact Cassette
General
Stereo
Head
Head Configuration
4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction
Controls
Operation
Mechanical Transport Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Normal Tape Capabılity
Transport
Transport
Sìngle Capsŧan Transport Belt Drive (Capsŧan) Mechanical Tape Loading Auto Stop

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Last update on Apr 26, 2024 9:05:26 AM CEST

Similar to Dokorder MK-550 from the period 1977 - 1982