4B-27A

Sharp; Osaka

  • Year
  • 1958 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 262071
    • alternative name: Hayakawa Electric Co.Ltd.

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 67.5 & 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 4B-27A - Sharp; Osaka
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 200 x 130 x 55 mm / 7.9 x 5.1 x 2.2 inch
  • Notes
  • The Sharp 4B-27A is a battery operated portable 4 tube BC band receiver.  The BC band frequency tuning range is 535 - 1605kHz. Cabinet is white plastic and has a handle.

  • External source of data
  • Information courtesy of guest Roger Davis
  • Author
  • Model page created by John Kusching. See "Data change" for further contributors.

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