• Country
• Japan

• Manufacturer / Brand
• Sony Corporation; Tokyo

• Year
• 1991 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 353289

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop; ZF/IF 450/10700 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Dry Batteries / AA: 2 х 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4.4 cm = 1.7 inch

• Power out
• 0.08 W (max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: FM-AM Stereo SRF-M100 - Sony Corporation; Tokyo

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

• Dimensions (WHD)
• 121 x 72 x 27 mm / 4.8 x 2.8 x 1.1 inch

• Notes

• This radio was released in 1991 and was "SONY's first AM stereo radio".  They produced it for about 10 years (published in the radio catalog in 1994).    In addition to the SRF-M100, there are other portable radios with analog tuning that support AM stereo broadcasting ( Sony SRF-AX15).

• Net weight (2.2 lb = 1 kg)
• 0.198 kg / 0 lb 7 oz (0.436 lb)

• Price in first year of sale
• 14,800.00 Yen

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Nikolai Galak. See "Data change" for further contributors.

• Other Models

• Here you find 3952 models, 3812 with images and 954 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sony Corporation; Tokyo