• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1957/1958

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 103590

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

• Number of Transistors
• 7

• Semiconductors
• 2T201 2T76 2T76 2T64 2T66 2T85 2T85

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / UM-1: 4 × 1.5 Volt

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

• Power out
• 0.18 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR-74 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 232 x 193 x 78 mm / 9.1 x 7.6 x 3.1 inch

• Notes

• Built-in telescopic antenna, SW 6 - 18 MHz. Released in November 1957. Portable MW and SW. Elliptical loudspeaker 6 x 4 inch.

  See also the models mentioned under TFM-151.

• Price in first year of sale
• 21,500.00 JPY

• Literature/Schematics (1)
• -- Schematic

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

• Other Models

• Here you find 3989 models, 3849 with images and 956 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo