Sony TC-204SD
Dolby B NR

The Sony TC-204SD is a stereo cassette deck with Dolby B noise reduction, it was introduced by Sony in 1975 with a list price of USD $350 and discontinued 2 years later in 1977.

The main features of the Sony TC-204SD are: 2 heads, analog 3 digit tape counter, manual tape type selection with support for 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 TC-204SD are analog needle VU reading meters with peak indicator for easy adjustment of optimum recording level. Mechanical transport controls for reliable TC-204SD transport function selection.

The Dolby-B system reduces tape hiss on tapes recorded on the TC-204SD by as much as 10 dB at the highest frequencies. To further maintain recording accuracy, the TC-204SD incorporates a switchable multiplex filter. When you record FM stereo broadcasts, the MPX filter of the TC-204SD can be swiched on to prevent the standard 19kHz FM pilot signal from interfering with the noise reduction system.

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

1975 Sony launched the Betamax videocassette recording format.
1976 Steve Jobs and Steve Wozniack incorporate the Apple computer company.
1977 The movie "Star Wars" is released, revealing special effects, and film technology never before seen by the general public.

Features of Sony TC-204SD

Connectors
Connectivity
2 Mono Microphone Inputs RCA Input/Output Connectors DIN Input/Output Connector Headphones Front Input Connector
Display
Display
3-Digıt Mechanical Counter Analog Needle Meters
Electronics
Electronics
Peak Limiter Normal Frequency Bias Oscillator
Cassette Exterior
Exterior
Silver Finish Orientation Left Wood Side Panels Wood Top Cover Front Loading
Compact Cassette
General
Stereo
Head
Head Configuration
2 Head Desiǥn 4 Track / 2 Channel
Indicators
Indicators
Record Peak Indicator Dolby B
HighCom NR
Noise Reduction
Dolby-B Noise Reduction MPX Filter
Controls
Operation
Mechanical Transport Control
Power
Power Requirements
Alternating Current
Preamplifier
Preamplifier
Microphone Level Adjust (Left/Right) 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
1x Motor Mechanism Mechanical Tape Loading Auto Stop Sìngle Capsŧan Transport Belt Drive (Capsŧan)

Similar to Sony TC-204SD from the period 1975 - 1977

ebay Sony TC-204SD related items currently for sale Last update on Oct 19, 2021 4:53:34 AM CEST