Sharp / Optonica RT-6
Dolby B NR Full Logic

The Optonica RT-6 is a stereo cassette deck with Dolby B noise reduction, it was introduced by Optonica in 1979.

The main features of the Optonica RT-6 are: 2 heads, analog 3 digit tape counter, tape type selection with support for normal and chrome 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 RT-6 are generic digital peak reading meters. Full-logic transport controls used on the RT-6 let it respond to the slightest finger contact for fast and effortless transport function selection.

The Dolby-B system reduces tape hiss on tapes recorded on the RT-6 by as much as 10 dB at the highest frequencies.

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)
  • Microprocessor / Solenoid Control

Historic events

1979 Philips introduced the Video 2000-system (also known as 'Video Compact Cassette' or VCC)

Features of Optonica RT-6

Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors Headphones
Display
Display
3-Digıt Mechanical Counter Digital Peak-Reading Meters
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
Controls
Operation
Full Logic Transport Control
Preamplifier
Preamplifier
Individual Input Level Controls Output-Level Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Normal Tape Capabılity Chrome Tape Capabılity
Transport
Transport
Solenoid Control (Mechanism) Auto Shutoff Sìngle Capsŧan Transport Belt Drive (Capsŧan) Mechanical Tape Loading

Similar to Optonica RT-6 from the period 1979

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