• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1969

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 107885

• Number of Transistors
• 8

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 10700 kHz

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Dry Batteries / AA: 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: Solid State FM TFM-1837 W - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 3.75 x 3.75 x 3.75 inch / 95 x 95 x 95 mm

• Notes
• Sony TFM-1837W. Colours white or avocado.

• Net weight (2.2 lb = 1 kg)
• 0.380 kg / 0 lb 13.4 oz (0.837 lb)

• Price in first year of sale
• 20.00 $

• Mentioned in
• -- Original prospect or advert (SONY-Werbung 1969)

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

• Other Models

• Here you find 3931 models, 3791 with images and 950 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo