• Year
  • 1946–1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57553

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
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage and/or dry batteries / 90/1,5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 289-T - Sentinel Radio Corp., Evanston
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 17.25 x 11.25 x 10.625 inch / 438 x 286 x 270 mm
  • Notes
  • 90V bat =+B 1.5V bat =A (filament) A Sentinel Folder for season 1947/48 shows the following models together: 285, 286, 289, 296, 298, 302, 305, 309, 313, 314, 315 and 316 in different colors, for instant suffix "I" for Ivory and "W" for Walnut.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 15 = 1947 and before
  • Literature/Schematics (2)
  • Shown for Season 1947/48 in a Sentinel Folder.

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