• Country
• United States of America (USA)

• Manufacturer / Brand
• Marantz (Sound United LLC); Vista, CA

• Year
• 1983/1984

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 112777

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Cassette-Recorder or -Player; Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 110-120; 220-240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Cassette Deck SD230 - Marantz Sound United LLC;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 416 x 100 x 194 mm / 16.4 x 3.9 x 7.6 inch

• Notes

• A hi-fi stereo cassette tape deck with Dolby NR. With left and right channel Record Level slider controls, left and right channel Record Level LED meters, push button switches for Normal, CrO2 and Metal tape selection, Dolby NR On/Off, Rec Mute, Input Select (Line, Mic), a digital Counter, two Microphone jacks and a Headphones jack. On the back, RCA phono sockets for Line Input and Line Output.

  Specification
  Style	Front load
  Tape Drive System	Single Capstan Drive
  Cartridge	Compact cassette
  Track System	Compatible Stereo 4-track 2-channel
  Tape Speed	4.75 cm/sec.
  Heads	2 Head System
  Composition  Rec/Play:                       Erase:	Super Hard Metal Alloy Dual gap Ferrite
  Motor	1 Motor System:  DC Servo Motor
  Overall Frequency Response at -20dB
  Normal Tape   Cr02 Tape   Metal Tape	30Hz-16kHz 30Hz-17kHz 30Hz-18kHz
  Signal-to-Noise Ratio
  Dolby C (ON)   Dolby (OFF)	70dB 56dB
  Wow and Flutter	0.15% DIN WTD
  Outputs
  Line Level/Impedance   Headphone Level/Impedance	600mV/50kΩ 50mV/50Ω
  Input (Level at 0 VU)
  Line Sensitivity/Impedance   Mic Sensitivity/Impedance	70 mV/50kΩ 0.3mV/10kΩ
  Fast Forward/Rewind Time	90 sec. (C-60)

  Power Requirement
  110-120/220-240 V AC 50/60Hz with voltage selector.

  Power consumption:  27 watts
  
  Made in Japan

• Net weight (2.2 lb = 1 kg)
• 3.2 kg / 7 lb 0.8 oz (7.048 lb)

• Source of data
• - - Data from my own collection

• Mentioned in
• -- Original prospect or advert (1983-84 Marantz Hi-Fi catalogue)

• Literature/Schematics (1)
• - - Manufacturers Literature (Owner's manual SD230/SD330)

• Author
• Model page created by Fred Nerger. See "Data change" for further contributors.

• Other Models

• Here you find 576 models, 568 with images and 94 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marantz (Sound United LLC); Vista, CA