• Country
• Japan

• Manufacturer / Brand
• Crown Radio Corp.; Tokyo

• Year
• 1955 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 240643

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

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1U5 3S4

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1.5 & 67.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 cm = 2.4 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: PR-550 - Crown Radio Corp.; Tokyo

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

• Dimensions (WHD)
• 185 x 120 x 60 mm / 7.3 x 4.7 x 2.4 inch

• Notes

• Two earphone sockets

• Author
• Model page created by Kevin Gregson. 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