286 PR or 286-PMI or 286-PBI or 286-PM

Sentinel Radio Corp., Evanston, Illinois

  • Anno
  • 1947/1948
perfect model
  • Categoria
  • Radio (o sintonizzatore del dopoguerra WW2)
  • Radiomuseum.org ID
  • 57552

Clicca sulla miniatura dello schema per richiederlo come documento gratuito.

 Specifiche tecniche

  • Numero di tubi
  • 4
  • Principio generale
  • Supereterodina (in generale); ZF/IF 455 kHz
  • N. di circuiti accordati
  • 6 Circuiti Mod. Amp. (AM)
  • Gamme d'onda
  • Solo onde medie (OM).
  • Tensioni di funzionamento
  • Rete / Batterie (ogni tipo) / 117 / 67, 5 & 3 Volt
  • Altoparlante
  • AP magnetodinamico (magnete permanente e bobina mobile) / Ø 4 inch = 10.2 cm
  • Materiali
  • Plastica (non bachelite o catalina)
  • Radiomuseum.org
  • Modello: 286 PR or 286-PMI or 286-PBI or 286-PM - Sentinel Radio Corp., Evanston
  • Forma
  • Apparecchio portatile > 20 cm (senza la necessità di una rete)
  • Dimensioni (LxAxP)
  • 8 x 4 x 4 inch / 203 x 102 x 102 mm
  • Annotazioni
  • Line supply = AC or DC - battery: 67,5V = +B 1,5V x 2 =A (filament). Selenium rectifier and 68 ohm resistor (item 40 and 23) are used in model 286PR only. 117Z3 tube is used in model 286P only. Built in loop antenna. Two-tone plastic cabinets available in variety of colors. Ad in the "Saturday Evening Post, Mai 1, 1948: The models are 316 PM, 286 PR, 296 M, probably 314-I plus yet unknown model with 4 knobs, probably the model 294 T.

    The Sentinel model 286-PR is in Red and Black, model 286-PMI in Maroon and Ivory, model 286-PBI in Black and Ivory and model 286-PM in all Maroon.

    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.

  • Fonte esterna dei dati
  • Ernst Erb
  • Riferimenti schemi
  • Rider's Perpetual, Volume 16 = ca. 1948 and before
  • Letteratura / Schemi (3)
  • Shown for Season 1947/48 in a Sentinel Folder.

 Collezioni | Musei | Letteratura

 Forum