• Country
• Japan

• Manufacturer / Brand
• Koyo Denki Co. Ltd.; Kodaira, Tokyo

• Year
• 1968 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 232807

• Number of Transistors
• 8

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 4 x 1,5 UM3 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 cm = 2.6 inch

• Material
• Various materials

• from Radiomuseum.org
• Model: Koho Super All Transistor - Koyo Denki Co. Ltd.; Kodaira,

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

• Dimensions (WHD)
• 155 x 75 x 45 mm / 6.1 x 3 x 1.8 inch

• Notes

• Koho 8 Transistor AM radio

  Made in Japan 403

• Net weight (2.2 lb = 1 kg)
• 0.350 kg / 0 lb 12.3 oz (0.771 lb)

• Author
• Model page created by Eckhard Wegner. See "Data change" for further contributors.

• Other Models

• Here you find 55 models, 51 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koyo Denki Co. Ltd.; Kodaira, Tokyo