206AT

Sentinel Radio Corp., Evanston, Illinois

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  • Year
  • 1939/1940
perfect model
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 227519

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 and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / see text, normally 50 cycles, 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 206AT - Sentinel Radio Corp., Evanston
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 14 x 8.75 x 7 inch / 356 x 222 x 178 mm
  • Notes

  • The Sentinel chassis 206-A have the same schematic but different cabinets. Assumptions for the suffixes: 206-A (not sure if this is only the chassis name, no cabinet, A probably for AC), 206-AT (T for table) and 206-ACT (C = console, T = tall) and 206-AE (E for magic eye).

    Tuning is broadcast 540 to 1730 kHz and short waves 5.7 to 18.3 MHz, automatic volume control (AVC). 3.5 Watt power output. The same line exists as 204-A chassis with the same cabinets (and more) but the chassis provides broadcast only  - see for instance 204-AT.
    * Models can have a different power transformer:  11272 (39) for 115 volts 50 cycles, 11273 (40) 115 volts 25 cycles, 11719 (41) 110 - 230 volts, 50 cycles or 11721 (42) for 220 volts, 50 cycles. Models -CB are "combinations" with phonograph. See 204ATE-CB, 204ACE-CB (and 198ACE-CB).

  • Literature/Schematics (3)
  • Shown for Season 1939/40 for 1940 in Sentinel Folder No. 120.
  • Author
  • Model page created by Ernst Erb. See "Data change" for further contributors.

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