• Year
  • 1939/1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 48637

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 117 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Bakelite or Plastics (type unknown)
  • from Radiomuseum.org
  • Model: 51A Ch= 5A - Motorola Inc. ex Galvin Mfg.Co
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 9.125 x 6.25 x 4.75 inch / 232 x 159 x 121 mm
  • Notes
  • Tuning Range 540 to 1720 kHz (kc). Brown plastic cabinet.

    Also available in ivory finish.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before
  • Literature/Schematics (3)
  • Motorola Folder H-101A for 1940.

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