• Country
• United States of America (USA)

• Manufacturer / Brand
• Regency (brand of I.D.E.A.)

• Year
• 1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71783

• • alternative name: Idea (I.D.E.A.)

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

• Number of Transistors
• 4

• Semiconductors
• TI223 TI222 TI222 TI210 CK706

• Main principle
• Superheterodyne (common); ZF/IF 262 kHz; 1 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 22,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 cm = 2.8 inch

• Power out
• 0.1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR-1 "Mike Todd" - Regency brand of I.D.E.A.

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

• Dimensions (WHD)
• 5.5 x 3.5 x 1.5 inch / 140 x 89 x 38 mm

• Notes

• Very rare, jade green version of the TR-1 - complete with a leather presentation case which looks like a book. On the spine of the book is printed "Around the World in 80 Days". The inside contains the names of the recipient like Arthur Miller or Michael Todd.

  Date of patent application :        Mar.25, 1955

  Date patented                   :      Jun. 30, 1959

  US Patent : 2,892,931

• Net weight (2.2 lb = 1 kg)
• 0.340 kg / 0 lb 12 oz (0.749 lb)

• Price in first year of sale
• 49.95 $

• Mentioned in
• The Collector's Guide To Antique Radios 2. Edition

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 68 models, 60 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Regency (brand of I.D.E.A.)