• Country
• Japan

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

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 89941

• Number of Transistors
• 8

• Semiconductors
• 2SA15 2SA12 2SA12 2SB75 2SB77 2SB77 2SB77 2SB77

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 Volt

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

• Power out
• 0.4 W (unknown quality)

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: MOII - Koyo Denki Co. Ltd.; Kodaira,

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

• Dimensions (WHD)
• 190 x 125 x 65 mm / 7.5 x 4.9 x 2.6 inch

• Notes

• This model appears to be identical to the Koyo MOII AC except for the AC line option.

• Source of data
• - - Data from my own collection

• Author
• Model page created by Georges Van Campenhout † 28.4.22. See "Data change" for further contributors.

• Other Models

• Here you find 55 models, 51 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koyo Denki Co. Ltd.; Kodaira, Tokyo