• Año
  • 1936
  • Categoría
  • Radio - o Sintonizador pasado WW2
  • Radiomuseum.org ID
  • 56007
    • Brand: Silvertone

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 Especificaciones técnicas

  • Numero de valvulas
  • 6
  • Principio principal
  • Superheterodino en general; ZF/IF 175 kHz; 2 Etapas de AF
  • Número de circuitos sintonía
  • 6 Circuíto(s) AM
  • Gama de ondas
  • OM, OC y banda Pesquera (policia USA)
  • Tensión de funcionamiento
  • Red: Corriente alterna (CA, Inglés = AC) / Either 25 cycles, 110 to 120V or 50 to 60 cycles, 110 to 120 Volt
  • Altavoz
  • Altavoz electrodinámico (bobina de campo) / Ø 6 inch = 15.2 cm
  • Material
  • Madera
  • de Radiomuseum.org
  • Modelo: Silvertone 1904A - Sears, Roebuck & Co.; Chicago
  • Forma
  • Sobremesa alto de forma simple.
  • Ancho, altura, profundidad
  • 11.5 x 15.3 x 8.5 inch / 292 x 389 x 216 mm
  • Anotaciones
  • The Sears Silvertone 1904A is an AC operated 6 tube BC, Police and SW band receiver.

    Band Frequency Ranges are as follows:
    BC Band (Band A).............540-1600kHz
    Police Band (Band B)........1.58-5.10MHz
    SW Band (Band C)............5.8-15.5MHz

    Uses variable inductive coupling of 2nd IF as volume control.  Minor production changes made as listed in Sears Service Manual and Rider's 7-14.  Chassis and schematic used in this maodel also used in models 1904, 1906, 1908, 1911, 1914, 1938,1954, 1964, 1964A and 1984.

    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).

  • Ext. procedencia de los datos
  • Ernst Erb
  • Referencia esquema
  • Rider's Perpetual, Volume 6 = 1935 and before

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