• Country
• United States of America (USA)

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

• Year
• 1979 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 356837

• Number of Transistors
• 52

• Semiconductors
• 2SA562 2SA722 2SA841 2SA1039 2SB549 2SB702 2SC535 2SC735 2SC828 2SC829 2SC945 2SC1318 2SC1681 2SC1740 2SC1885 2SD313 2SD415 2SD613 2SD738 3SK45 1S1555 1S2472 1S2473 20A90 AN7000 W06B WZ071 WZ140 µPC1024 DS131 DS132

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

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

• Details
• Hi-Fi equipment

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

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

• Power out
• 100 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: AM/FM Stereophonic Receiver MR250 - 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

• Some semiconductors are listed only once.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Mentioned in
• - - Manufacturers Literature (Service Manual 1550/MR250/MR255 Sterophonic Receiver, Marantz, 1978/12, P/N 227885501-0)

• Literature/Schematics (1)
• -- Original prospect or advert (Hi-Fi News, Feb. 1979, page 198)

• Author
• Model page created by Michael Salzgeber. See "Data change" for further contributors.

• Other Models

• Here you find 569 models, 561 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