Nakamichi 550 Dual-Tracer
Dolby B NR

This Nakamichi 550 is a stereo cassette deck with Dolby B noise reduction, it was first sold by Nakamichi in 1974 with a list price of USD $560 and discontinued 6 years later in 1980.

The main features of the Nakamichi 550 are: 2 heads, mechanical 3 digit tape counter, manual tape type selection and capable of handling normal and chrome tapes, belt driven single-capstan transport.

Typical of this deck is the 70's top loading layout 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 550 are analog needle VU reading meters. Mechanical transport controls for reliable 550 transport function selection.

To ensure the best response from the wide variety of tapes available adjustment of, sensitivity, to optimum levels can be performed prior to recording.

The Dolby-B system reduces tape hiss on tapes recorded on the 550 by as much as 10 dB at the highest frequencies. 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 550 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

To make live recordings this deck has 3 microphone inputs (for left, right and center channels) 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.

Compact Cassette
  • Dual-Tracer

Historic events

1974 DuPont introduces chromium dioxide (CrO2) cassette tape.
1975 Sony launched the Betamax videocassette recording format.
1976 Shugart Associates introduced the first 5.25" floppy disk (FDD).
1977 The Atari 2600 home video game console released by Atari, Inc.
1978 Technics introduced the famous SL-1200MK2 turntable
1979 The first commercial fully automated 1G (First Generation) cellular network was launched in Japan by NTT
1980 Pac-Man arcade game developed by Namco released in Japan.

Features of Nakamichi 550

Calibration
Calibration
400Hz Test Tone Manual Level Calibration
Connectors
Connectivity
3 Microphone Inputs RCA Input/Output Connectors DIN Input/Output Connector Headphones
Display
Display
3-Digıt Mechanical Counter Analog Meter Light Switch Analog Needle Meters
Electronics
Electronics
Peak Limiter
Cassette Exterior
Exterior
Shoulder Strap Connector Orientation Left Top Loading Black Finish
Compact Cassette
General
Stereo Portable
Head
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter
Controls
Operation
Battery Check Programing Timer Mechanical Transport Control
Power
Power Requirements
Battery Powered External DC Power Supply
Preamplifier
Preamplifier
Individual Input Level Controls Output-Level Control Mix Line + Microphone Signals Headphone Volume Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Manual Tape Type Selection Normal Tape Capabılity Chrome Tape Capabılity
Transport
Transport
Mechanical Tape Loading Auto Stop Sìngle Capsŧan Transport Belt Drive (Capsŧan)

Similar to Nakamichi 550 from the period 1974 - 1980

ebay Nakamichi 550 related items currently for sale Last update on Apr 22, 2021 11:05:26 AM CEST