No Image Available
Dolby B NR Auto Reverse

The Toshiba PT-490 is a auto-reverse stereo cassette deck with Dolby B noise reduction, it was introduced by Toshiba in 1973 with a manufacturer suggested retail price of USD $350 and discontinued 3 years later in 1976.

The main features of the Toshiba PT-490 cassette deck are: 2 heads, analog 3 digit tape counter, tape type selection with support for normal and chrome tapes.

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 Toshiba PT-490 cassette deck are analog needle VU reading meters. Mechanical transport controls for reliable Toshiba PT-490 transport function selection.

The Dolby-B system reduces tape hiss on tapes recorded on the Toshiba PT-490 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

Historic events

1973 Computer graphics are used for the first time in a Motion Picture Industry for the movie Westworld.
1974 Intel releases the 8080 processor, the 8-bit successor to the original 8008.
1975 Sony launched the Betamax videocassette recording format.
1976 Elcaset audio format introduced by Sony as an improvement to compact cassettes.

Features of Toshiba PT-490

Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors DIN Input/Output Connector Headphones
Controls
Controls
3-Position Direction Selector
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Cassette Exterior
Exterior
Orientation Left Top Loading
Compact Cassette
General
Stereo
Head Configuration
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
Noise Resuction
Noise Reduction
Dolby-B Noise Reduction
Controls
Operation
Mechanical Transport Control
Preamplifier
Preamplifier
Microphone Level Adjust (Left/Right) Individual Input Level Controls
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Normal Tape Capabilıty Chrome Tape Capabilıty
Transport
Transport
Auto Reverse Mechanical Tape Loading Auto Stop

Similar to Toshiba PT-490 from the period 1973 - 1976