• Year
  • 1939 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57704

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 465 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 73B - Sentinel Radio Corp., Evanston
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 14.5 x 10 x 7.75 inch / 368 x 254 x 197 mm
  • Notes
  • Sentinel 73B (73BT163S);
    AM: 540 - 1.720 kHz (incl. police band),
    tone control, dial lamp, Rad-O-Fone phono-in, note: needs bias cell battery, Sync. vibrator for +B.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before

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