Silvertone 1922 Worlds Fair Order= 57KM 1922

Sears, Roebuck & Co.; Chicago (IL)

Dati
Forum
Immagini
Collezioni

  • Anno
  • 1935/1936
perfect model
  • Categoria
  • Radio (o sintonizzatore del dopoguerra WW2)
  • Radiomuseum.org ID
  • 56028
    • Brand: Silvertone

Clicca sulla miniatura dello schema per richiederlo come documento gratuito.

 Specifiche tecniche

  • Numero di tubi
  • 5
  • Principio generale
  • Supereterodina (in generale); ZF/IF 175 kHz; 1 Stadi BF
  • N. di circuiti accordati
  • 6 Circuiti Mod. Amp. (AM)
  • Gamme d'onda
  • Onde medie (OM) e corte (OC).
  • Tensioni di funzionamento
  • Batterie (di accumulatori e/o a secco) / 2-3 & -3 & -4.5 & 3 x 45 Volt
  • Altoparlante
  • Altoparlante magnetico (a spillo) / Ø 6.5 inch = 16.5 cm
  • Materiali
  • Mobile in legno
  • Radiomuseum.org
  • Modello: Silvertone 1922 Worlds Fair Order= 57KM 1922 - Sears, Roebuck & Co.; Chicago
  • Forma
  • Soprammobile verticale con decorazioni (Tombstone).
  • Dimensioni (LxAxP)
  • 17.5 x 18.5 x 10.25 inch / 445 x 470 x 260 mm
  • Annotazioni

  • The Sears Silvertone 1922 is a battery operated 5 tube BC and SW band receiver.

    Band Frequency Ranges are as follows:
    BC Band.............540-1600kHz
    SW Band............5.9-16.0MHz

    Chassis and schematic used in this model also used in models 1932, 1982 and 1992. These models are similar to Colonial Model 659 page 5-45.Changes:1)1A2 ballast tube instead of similar 30 ballast tube.2) IF peak 175KC instead of 480KC.3) 8 M.F.D. screen filter condenser instead of 6 M.F.D.

    Uses Qty(3) 45 volt "B" batteries, Qty(1) 4.5 volt "C" battery tapped at -3 volts and Qty(1) 3 volt dry "A" battery.  The ballast tube (1A2) maintains the filament voltage at 2 volts.  If a 2 volt storage battery is used for the "A" supply, the ballast tube should be replaced with a 4 prong plug having its grid and plate prongs and the filament prong opposite the plate prong all connected together.

    Catalog states: A greatly improved model of our famous World's Fair Radio, which for two years has broken all records as the Most Popular Battery Set ever produced. 

    Order number 57KM 1922 Cash Price $ 31.50. See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Colonial Radio Corp., Buffalo, NY (Sears Manufacturer Source Number Code 101).

  • Prezzo nel primo anno
  • 31.50 $
  • Fonte esterna dei dati
  • Ernst Erb
  • Riferimenti schemi
  • Rider's Perpetual, Volume 7 = 1936 and before

 Collezioni | Musei | Letteratura

 Forum