• País
• Estados Unidos

• Fabricante / Marca
• Sears, Roebuck & Co.; Chicago (IL)

• Año
• 1934/1935

• Categoría
• Radio - o Sintonizador pasado WW2

• Radiomuseum.org ID
• 55988

• • Brand: Silvertone

Haga clic en la miniatura esquemática para solicitarlo como documento gratuito.

• Numero de valvulas
• 5

• Válvulas
• 951 230 951 232 233

• Numero de transistores

• Semiconductores
• 30_Ballast

• Principio principal
• Superheterodino en general; ZF/IF 480 kHz; 2 Etapas de AF

• Número de circuitos sintonía
• 6 Circuíto(s) AM

• Gama de ondas
• OM y OC

• Tensión de funcionamiento
• Baterías recargables o pilas / 2 to 3 & -3 & -4.5 & 3 x 45 Volt

• Altavoz
• Altavoz magnético (sin saber mas)

• Material
• Madera

• de Radiomuseum.org
• Modelo: Silvertone 1850 World's Fair Table Model Order= 57FM 1850 - Sears, Roebuck & Co.; Chicago

• Forma
• Sobremesa alto decorativa, similar a Capilla pero cuadrado (Tombstone, can have rounded edges).

• Ancho, altura, profundidad
• 18.3 x 18.8 x 13.5 inch / 465 x 478 x 343 mm

• Anotaciones

• The Sears Silvertone 1850 is a battery operated 5 tube BC and SW band receiver. Uses ballast tube 30.  Riders states a 480kHz IF but Sears Silvertone Service Manual 1928 thru 1936 states 175kHz IF.

  Band Frequency Ranges are as follows:
  BC Band.............545-1760kHz
  SW Band............6.0-15.0MHz

  Chassis and schematic used in this model also used in models 1850A, 1851, 1862, 1868, 1868A, 1870, 1921, 1931 and 7147, with some models combining the power switch with the tone control and thus having 4 knobs instead of 5.

  Catalog states: Airplane easy tuning dial.  Includes Three longer life Silvertone "B" Batteries and Improved 6-month Dry "A" Battery.

  Designed in the spirit of World's Fair architecture and constructed by master cabinet makers, with front of carefully matched walnut and Madrone burl veneers.  Remainder in Walnut finish. All batteries contained inside the cabinet.  Complete with tubes and batteries described above and aerial kit.

  Order number 57FM 1850 Cash Price $ 32.95.  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).

   

• Precio durante el primer año
• 32.95 $

• Ext. procedencia de los datos
• Ernst Erb

• Procedencia de los datos
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Referencia esquema
• Rider's Perpetual, Volume 5 = ca. 1934 and before

• Mencionado en
• Collector's Guide to Antique Radios 4. Edition

• Documentación / Esquemas (1)
• Rider's Perpetual, Volume 5 = ca. 1934 and before (Riders Sears 5-41, 42)

• Documentación / Esquemas (2)
• The Sears Silvertone Catalogs 1930-1942 (page 82, 87)

• Documentación / Esquemas (3)
• Sears, Roebuck Catalogs (Silvertone) (# 169, Fall & Winter 1934/35, page 533. #170, Spring & Summer 1935 page 475.)

• Documentación / Esquemas (4)
• Silvertone Radios, Service Inf. 1928 thru 1936 (Pages 551 to 555)

• Otros modelos

• Donde encontrará 5488 modelos, 3220 con imágenes y 4196 con esquemas.
  Ir al listado general de Sears, Roebuck & Co.; Chicago (IL)