• Country
• United States of America (USA)

• Manufacturer / Brand
• Olympic Radio & Television, Inc.; New York (NY)

• Year
• 1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 82204

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

• Number of Transistors
• 6

• Semiconductors
• 2SA101 2SA101 2SA101 2SB171 2SB172 2SB172

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 1.75 inch = 4.4 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 780 - Olympic Radio & Television,

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 63 x 85 x 25 mm / 2.5 x 3.3 x 1 inch

• Notes

• Manufactured by Realtone in Japan for Olympic Radio & Television Inc, New York.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Source of data
• Transistor Radios 1954-68

• Mentioned in
• Collector's Guide To TrR1 Bunis trans.94 (1996, page 186)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 585 models, 269 with images and 533 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Olympic Radio & Television, Inc.; New York (NY)