Transistor 6 SR-F22

• Country
• Japan

• Manufacturer / Brand
• Standard Radio Corp. (SR), Tokyo

• Year
• 1957

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 92492

• Picture
• Schematics

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

• Number of Transistors
• 6

• Semiconductors
• HJ-23D HJ-22D HJ-22D HJ-15 HJ-17D HJ-17D 1N34A

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transistor 6 SR-F22 - Standard Radio Corp. SR, Tokyo

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

• Notes

• Standard Pocket-Radio SR-F22. In the USA it was imported by Polyrad.
  Standard made a lot of OEM equipment, and we find variations of the SR-F22 appearing as the Lafayette FS-110, Hitachi TH-621 and as the Mignon FT-7.

• Source of data
• Transistor Radios 1954-68

• Literature/Schematics (1)
• -- Schematic

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 258 models, 245 with images and 110 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Standard Radio Corp. (SR), Tokyo