Sony TC-K4A
Dolby B NR

This Sony TC-K4A is a stereo cassette deck with Dolby B noise reduction, it was first sold by Sony in 1978.

The main features of the Sony TC-K4A 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 which is opened by a damped mechanism. Additionally the compartement can be accessed easly for head cleaning by removing the well-cover.

Level meters used on the TC-K4A are analog needle VU reading meters with peak indicator for easy adjustment of optimum recording level. Mechanical transport controls for reliable TC-K4A transport function selection.

The Dolby-B system reduces tape hiss on tapes recorded on the TC-K4A by as much as 10 dB at the highest frequencies. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the TC-K4A filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs.

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
  • Ferrite & Ferrite Head

Historic events

1978 Nintendo releases its first video game, Computer Othello.

Features of Sony TC-K4A

Connectors
Connectivity
2 Mono Microphone Inputs AC Power Cord / Plug RCA Input/Output Connectors Headphones
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Electronics
Electronics
Record Protection Normal Frequency Bias Oscillator
Cassette Exterior
Exterior
Silver Finish Orientation Left Wood Side Panels Front Loading
Compact Cassette
General
Stereo
Head
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
Indicators
Indicators
Record Peak Indicator Cassette Back Lighting
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter
Controls
Operation
Auto-Play Line / Mic Input Select Record Mute Mechanical Transport Control Removable Well Cover Damped Eject
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Individual Input Level Controls
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
Auto Shutoff 1x Motor Mechanism Mechanical Tape Loading Sìngle Capsŧan Transport Belt Drive (Capsŧan)

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Last update on Dec 13, 2024 1:48:59 PM CET

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