• Year
  • 1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 44565

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 21350/455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)     3 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • AC/DC-set / 105-120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 474 - Howard Radio Company; Chicago,
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 9.25 x 6 x 5.25 inch / 235 x 152 x 133 mm
  • Notes
  • BC (540 - 1600 kHz) and FM (88 - 108 MHz) bands. Superregenerative circuit for FM. Selenium rectifier
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 17 = 1948 and before

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The model 474 is part of the collections of the following members.

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