• Country
• Japan

• Manufacturer / Brand
• Yamada Electric Ind. Co., Ltd. (Yaecon); Tokyo

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 267280

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries / 3 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 2 Band 7 Transistor YTR-777 - Yamada Electric Ind. Co., Ltd.

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

• Dimensions (WHD)
• 170 x 100 x 40 mm / 6.7 x 3.9 x 1.6 inch

• Notes

• Branded also as Ortal

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

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

• Other Models

• Here you find 13 models, 13 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Yamada Electric Ind. Co., Ltd. (Yaecon); Tokyo