Optonica RT-3050
Dolby B NR

This Optonica RT-3050 is a stereo cassette deck with Dolby B noise reduction, it was first sold by Optonica in 1975.

The main features of the Optonica RT-3050 are: 2 heads, mechanical 3 digit tape counter, manual tape type selection and capable of handling normal, chrome and ferro-chrome tapes with additional manual equalization selection, 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-3050 are analog needle VU reading meters. Mechanical transport controls for reliable RT-3050 transport function selection.

The Dolby-B system reduces tape hiss on tapes recorded on the RT-3050 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
  • APLD (Auto Program Locate Device)

Historic events

1975 TDK unveiled its SA (Super Avilyn) line of tapes, the first nonchrome high-bias tape.

Features of Optonica RT-3050

Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors Headphones
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Electronics
Electronics
Peak Limiter
Cassette Exterior
Exterior
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
Music Scan Line / Mic Input Select Mechanical Transport Control
Preamplifier
Preamplifier
Individual Input Level Controls Output-Level Control
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Manual Tape Type Selection Ferro-Chrome Tape Capabılity Normal Tape Capabılity Manual Tape Equalization Chrome Tape Capabılity
Transport
Transport
Mechanical Tape Loading Auto Stop Sìngle Capsŧan Transport Belt Drive (Capsŧan)

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