Harman Kardon CD91C
Dolby B NR Dolby C logo Full Logic Metal Tape

This Harman Kardon CD91C is a stereo cassette deck with Dolby B and C noise reduction, it was first sold by Harman Kardon in 1983.

The main features of the Harman Kardon CD91C are: 2 heads, mechanical 3 digit tape counter, manual 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 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 CD91C are generic digital peak reading meters. Full-logic transport controls used on the CD91C let it respond to the slightest finger contact for fast and effortless transport function selection.

Dolby C-type used in the CD91C 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 CD91C 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.

Compact Cassette
  • Uniplane Transport
  • Sendust Head
  • Ultra Wideband Linear Phase

Historic events

1983 The Musical Instrument Digital Interface (MIDI) is introduced at the first North American Music Manufacturers (NAMM) show in Los Angeles.

Features of Harman Kardon CD91C

Connectors
Connectivity
2 Mono Microphone Inputs AC Power Cord / Plug RCA Input/Output Connectors Headphones
Display
Display
3-Digıt Mechanical Counter Digital Peak-Reading Meters
Electronics
Electronics
Record Protection
Cassette Exterior
Exterior
Silver Finish Orientation Left Front Loading
Compact Cassette
General
Stereo
Head
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter Dolby-C Noise Reduction
Controls
Operation
Full Logic Transport Control Memory Repeat Line / Mic Input Select
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Record Level Balance Control Master Record Level Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Manual Tape Type Selection Normal Tape Capabılity Chrome Tape Capabılity Metal Tape Capabılity
Transport
Transport
Auto Shutoff 1x Motor Mechanism Mechanical Tape Loading Sìngle Capsŧan Transport Belt Drive (Capsŧan)

Similar to Harman Kardon CD91C from the period 1983

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