• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 141336

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

• Number of Transistors
• 8

• Semiconductors
• 2SC73 2SC73 2SC76 2SC76 2SD65 2SD65 2SB52 2SB52

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 3 x 1.5 Volt

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

• Power out
• 0.3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR-818 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 200 x 125 x 47 mm / 7.9 x 4.9 x 1.9 inch

• Notes
• Sony TR-818, Super Sensitive 8 Transistor Radio; Frequency range 535 - 1605 khz , supplied with brown colored , hard typ leather case.

• Net weight (2.2 lb = 1 kg)
• 0.9 kg / 1 lb 15.7 oz (1.982 lb)

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 3913 models, 3773 with images and 947 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo