Marantz SD640
Dolby B NR Dolby C logo DBX Metal Tape

This Marantz SD640 is a auto-reverse stereo cassette deck with Dolby B and C and DBX noise reduction, it was first sold by Marantz in 1984 with a list price of USD $330.

The main features of the Marantz SD640 are: 2 heads, digital tape counter with 4 digits, 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.

Level meters used on the SD640 are generic digital peak reading meters.

Dolby C-type used in the SD640 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 SD640 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.

Compact Cassette
  • Multi Function Digital Counter
  • Quick Music Sensor System

Historic events

1984 The Ferrari Testarossa, a two-door coupé, premiered at the Paris Auto Show.

Features of Marantz SD640

Display
Display
Digital Peak-Reading Meters 4-Digıt Digital Counter
Electronics
Electronics
Record Protection
Cassette Exterior
Exterior
Orientation Left Champagne Finish 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 Chrome Tape Capabılity Metal Tape Capabılity
Transport
Transport
Auto Reverse Auto Shutoff

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Last update on Mar 28, 2024 12:11:40 PM CET

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