• Country
• United States of America (USA)

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

• Year
• 1978–1980

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 211677

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

• Number of Transistors
• 34

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 120 or 230 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 60 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: AM-FM Stereo Receiver MR230 - Marantz Sound United LLC;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 440 x 137 x 357 mm / 17.3 x 5.4 x 14.1 inch

• Notes

• Marantz MR230 AM/FM Receiver.
  Signal Strength - and Tuning-Meter, Bass-, Treble- and Middle-Control.
  Inputs for Phono, 2x tape and AUX.
  Power consumption 150W.

  This model is identical to Marantz 1530 except for cabinet style.

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 570 models, 562 with images and 92 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marantz (Sound United LLC); Vista, CA