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Dynamic Noise Limiter (DNL)

The Toshiba PT-415 is a stereo cassette deck with DNL noise reduction, it was introduced by Toshiba in 1973 with a recommended retail price of USD $200 and discontinued 3 years later in 1976.

The main features of the Toshiba PT-415 are: 2 heads, 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 PT-415 are analog needle VU reading meters. Mechanical transport controls for reliable PT-415 transport function selection.

Unlike the various Dolby systems, which require encoding and decoding, the Dynamic noise limiter (DNL) used by Toshiba in the PT-415 works on playback only and reduces noise by as much as 10 dB.

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 the Motion Picture Industry when the movie "Westworld" is produced.
1974 Intel releases the 8080 processor, the 8-bit successor to the original 8008.
1975 TDK unveiled its SA (Super Avilyn) line of tapes, the first nonchrome high-bias tape.
1976 Introduction of Teletext, a European television information that can be seen as a predecessor of the World Wide Web.

Features of Toshiba PT-415

Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors DIN Input/Output Connector Headphones
Display
Display
Analog Needle Meters
Cassette Exterior
Exterior
Orientation Left Top Loading
Compact Cassette
General
Stereo
Head
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
DNL 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 Capabılity Chrome Tape Capabılity
Transport
Transport
Mechanical Tape Loading Auto Stop

Similar to Toshiba PT-415 from the period 1973 - 1976

ebay Toshiba PT-415 related items currently for sale Last update on Sep 20, 2021 10:01:35 AM CEST