• Country
• Japan

• Manufacturer / Brand
• Crown Radio Corp.; Tokyo

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 107387

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

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

• Number of Transistors
• 4

• Semiconductors
• 2N411 2N409 2N407 2N407 1N60

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

• 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 2.5 inch = 6.4 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: All Transistor TR-400 - Crown Radio Corp.; Tokyo

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

• Dimensions (WHD)
• 4.875 x 2.875 x 1.5 inch / 124 x 73 x 38 mm

• Notes

• Battery operated transistorized portable AM receiver.

  Imported by Shriro.

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

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 499 folder 7 date 9-60)

• Literature/Schematics (2)
• Photofact TSM Transistor Radio Series SAMS (TSM-11, April 1962, pages 49 - 52)

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 369 models, 337 with images and 98 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Crown Radio Corp.; Tokyo