• Country
• Japan

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

• Year
• 1976 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 235701

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave, more than 2 x SW plus FM or UHF.

• Power type and voltage
• Line / Batteries (any type) / 240 / 4 × 1,5 D Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 0.5 W (0.7 W max.)

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

• from Radiomuseum.org
• Model: 8 Band Multi Wave KTR-1662 - Koyo Denki Co. Ltd.; Kodaira,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 365 x 265 x 135 mm / 14.4 x 10.4 x 5.3 inch

• Net weight (2.2 lb = 1 kg)
• 4.2 kg / 9 lb 4 oz (9.251 lb)

• Author
• Model page created by Sándor Selyem-Tóth. 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