• Year
  • 1947/1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57568

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; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: 309-I - Sentinel Radio Corp., Evanston
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 8 x 5.375 x 5 inch / 203 x 137 x 127 mm
  • Notes
  • Color= Ivory. Built in loop antenna.

    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 17 = 1948 and before
  • Literature/Schematics (3)
  • Shown for Season 1947/48 in a Sentinel Folder.

 Collections | Museums | Literature

Collections

The model 309-I is part of the collections of the following members.

 Forum