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Dolby C logo DBX Dolby B NR Metal Tape

This Marantz SD 820 is a stereo cassette deck with Dolby B and C and DBX noise reduction, it was first sold by Marantz in 1982.

The main features of the Marantz SD 820 are: 2 heads, mechanical 3 digit tape counter, manual tape type selection and capable of handling normal, chrome and metal tapes.

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 SD 820 are generic digital peak reading meters.

Dolby C-type used in the SD 820 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. Dbx Type II found in the SD 820 is a simplified version of the Type I noise reduction system. The dbx Type II system was designed to be used with systems with limited bandwidth such as cassette based recorders and also uses a simple 2:1:2 compander to reduce noise.

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

1982 Commodore announces the Commodore 64 computer.

Features of Marantz SD 820

Connectors
Connectivity
RCA Input/Output Connectors
Display
Display
3-Digıt Mechanical Counter Digital Peak-Reading Meters
Electronics
Electronics
Record Protection
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 Dolby-C Noise Reduction DBX Type II Noise Reduction
Power
Power Requirements
Alternating Current
Tape Speed
Speed
1⅞ ips - 4.76 cm/s
Tape
Tape
Normal Tape Capabılity Manual Tape Type Selection Chrome Tape Capabılity Metal Tape Capabılity
Transport
Transport
2x Motor Mechanism Auto Shutoff Belt Drive (Capsŧan) Mechanical Tape Loading

Similar to Marantz SD 820 from the period 1982

ebay Marantz SD 820 related items currently for sale Last update on Sep 20, 2021 10:01:35 AM CEST