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Dolby B NR Dolby C logo Metal Tape Full Logic

This Optonica RT-3400 is a stereo cassette deck with Dolby B and C noise reduction, it was first sold by Optonica in 1982 with a manufacturer suggested retail price of USD $220 and discontinued a year later.

The main features of the Optonica RT-3400 are:, mechanical 3 digit tape counter, manual tape type selection and capable of handling normal, chrome and metal tapes.

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 RT-3400 are generic digital peak reading meters. Full-logic transport controls used on the RT-3400 let it respond to the slightest finger contact for fast and effortless transport function selection.

Dolby C-type used in the RT-3400 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type.

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
  • APSS (Auto Program Search System)

Historic events

1982 Sony and Philips announce the CD (Compact Disc) in Tokyo
1983 Publication of MIDI (Musical Instrument Digital Interface) standard, a protocol which allows electronic instruments and other digital musical tools to communicate with each other.

Features of Optonica RT-3400

Connectors
Connectivity
2 Mono Microphone Inputs Headphones RCA Input/Output Connectors AC Power Cord / Plug
Display
Display
Digital Peak-Reading Meters 3-Digıt Mechanical Counter
Cassette Exterior
Exterior
Front Loading Black Finish Orientation Left
Compact Cassette
General
Stereo
Head
Head Configuration
4 Track / 2 Channel
Indicators
Indicators
Dolby B Dolby C
HighCom NR
Noise Reduction
Dolby-B Noise Reduction Dolby-C Noise Reduction
Controls
Operation
Full Logic Transport Control Line / Mic Input Select Music Scan
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Normal Tape Capabılity Chrome Tape Capabılity Metal Tape Capabılity Manual Tape Type Selection
Transport
Transport
Belt Drive (Capsŧan) Mechanical Tape Loading Auto Stop

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