FM/AM 9-Transistor 6F-21WA

Sony Corporation; Tokyo

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  • Year
  • 1968 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 350573

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

 Technical Specifications

  • Number of Transistors
  • 9
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Line / Batteries (any type) / AC 117 / D: 3 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 9.2 cm = 3.6 inch
  • Power out
  • 0.5 W (0.8 W max.)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: FM/AM 9-Transistor 6F-21WA - Sony Corporation; Tokyo
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 218 x 133 x 59 mm / 8.6 x 5.2 x 2.3 inch
  • Notes

  • The Sony 6F-21 series have four known versions, differing on RF band coverage, number of transistors, and power supply requirements. These are the 6F-21W, 6F-21A, 6F-21K, and 6F-21L. Another version of the 6F-21W was produced under licence in Spain.

    While all five versions can run from removable dry batteries, the 6F-21WA also features a built-in AC transfomer (the only known version runs on 117VAC). The other four versions feature an EXT POWER IN DC 4.5V jack to plug an AC adapter.

    6F-21WA main features

    • FM: 87 - 108 MHz
      • 1.2 µV (50 mW output)
    • AM: 530 - 1605 kHz
      • 40 µV (50 mW output)
    • MPX OUT jack
    • AUX IN jack
    • Record-Out jack
  • Net weight (2.2 lb = 1 kg)
  • 1.2 kg / 2 lb 10.3 oz (2.643 lb)
  • Literature/Schematics (1)
  • -- Original-techn. papers.
  • Author
  • Model page created by Jose Mesquita. See "Data change" for further contributors.

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