• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1964

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 199945

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

• Number of Transistors
• 8

• Semiconductors
• 2SA70 2SA122 2SC76 2SC76 2SD66 2SD65 2SB381 2SB381 1T23 1T23

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch

• Power out
• 0.3 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 8 Transistor MW/SW 3 Band TR-838 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 198 x 98 x 48 mm / 7.8 x 3.9 x 1.9 inch

• Notes

• Sony Portable 3Band 8Transistor Radio Model TR-838.
  Frequency Range:
  - MW: 530 - 1605 kHz
  - SW1: 2 - 6 MHz
  - SW2: 6 - 18 MHz
  Telescopic antenna.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Author
• Model page created by Julián Muñoz Lorenzo. 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