• Country
• Japan

• Manufacturer / Brand
• Crown Radio Corp.; Tokyo

• Year
• 1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 152228

• • alternative name: Asahi Radio Mfg. Co., Ltd

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

• Number of Transistors
• 3

• Semiconductors
• 2N219 2N218 2N217 SD-6

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s); Reflex

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2 inch = 5.1 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: All Transistor TR-333 [late] - Crown Radio Corp.; Tokyo

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

• Notes

• Vertical shirtpocket transistor.

  The early version of this model has the same model number TR-333, but has a slightly different face and oval transistors.

  The IF amplifier is reflexed as the 1st AF amplifier stage.

  Imported by Shriro.

• Mentioned in
• Collector's Guide To TrR1 Bunis trans.94 (1996, page 74)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 9-59, Set 456, Folder 8)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 354 models, 322 with images and 84 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Crown Radio Corp.; Tokyo