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Dolby B NR 3 Head

The Superscope CD-330 is a stereo cassette deck with double Dolby B noise reduction, it was introduced by Superscope in 1978 and discontinued 4 years later in 1982.

The main features of the Superscope CD-330 are: 3 heads and off-tape monitoring, 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 of this deck is the 70's top loading layout with the cassette compartiment located on the right 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 CD-330 are analog needle VU reading meters. Mechanical transport controls for reliable CD-330 transport function selection. Cue and review can be used to easily and quickly locate the beginning of a passage.

The Dolby-B system reduces tape hiss on tapes recorded on the CD-330 by as much as 10 dB at the highest frequencies. The three-head configuration of the CD-330 requires a Double Dolby system, one for recording and one for playback.

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
  • Dual Flywheel
  • One Touch Record
  • Total Shut Off
  • Super Hard Permalloy Head
  • Servo Control

Historic events

1978 Technics introduced the famous SL-1200MK2 turntable
1979 Nike's Air technology patented by inventor M. Frank Rudy is introduced in the Tailwind running shoe.
1980 Pac-Man arcade game developed by Namco released in Japan.
1981 Sony introduces the "micro" (3½-inch) floppy disk drive the OA-D30V
1982 Sony and Philips announce the CD (Compact Disc) in Tokyo

Features of Superscope CD-330

2 Mono Microphone Inputs External Speaker Connector AC Power Connector (2-Pin) RCA Input/Output Connectors DIN Input/Output Connector Headphones
3-Digıt Mechanical Counter Analog Needle Meters
Peak Limiter
Cassette Exterior
Shoulder Strap Connector Top Loading Orientation Right Black Finish
Compact Cassette
Stereo Portable Built-in Monitor Speaker
Head Configuration
3 Head Desiǥn 4 Track / 2 Channel
HighCom NR
Noise Reduction
Dolby-B Noise Reduction Double Dolby NR Circuits
Battery Check Cue / Review Mechanical Transport Control One-Touch Record Standby Real-Time Tape Monitoring
Power Requirements
Battery Powered External DC Power Supply Alternating Current
Tone Control Individual Input Level Controls
Tape Speed
1⅞ ips - 4.76 cm/s
Manual Tape Type Selection Ferro-Chrome Tape Capabılity Normal Tape Capabılity Manual Tape Equalization Chrome Tape Capabılity
Servo Controlled Transport Auto Shutoff Mechanical Tape Loading Sìngle Capsŧan Transport Belt Drive (Capsŧan)

Similar to Superscope CD-330 from the period 1978 - 1982