Cee Bee No.3 Shorter Cabinet Version

Cee Bee (Brand), City Battery & Wireless Co.; London

Datos
Foro
Imágenes
Colecciones

  • Año
  • 1922
  • Categoría
  • Radio de Galena (o de diodo pero no contiene tubos o transistores)
  • Radiomuseum.org ID
  • 76083
    • Brand: Cee Bee

 Especificaciones técnicas

  • Principio principal
  • Detector de Galena o semi-conducteur
  • Número de circuitos sintonía
  • 1 Circuíto(s) AM
  • Gama de ondas
  • OM (onda media) solamente
  • Tensión de funcionamiento
  • No necesita alimentación
  • Altavoz
  • - Este modelo usa amplificador externo de B.F.
  • Material
  • Madera
  • de Radiomuseum.org
  • Modelo: Cee Bee No.3 [Shorter Cabinet Version] - Cee Bee Brand, City Battery &
  • Forma
  • Sobremesa, caja, normalmente con tapa (panel no inclinado).
  • Ancho, altura, profundidad
  • 5.25 x 4 x 4 inch / 133 x 102 x 102 mm
  • Anotaciones

  • Official GPO Registration No. 249 crystal receiver approved by the Postmaster-General (P.M.G.) and the B.B.C., manufactured by City Battery & Wireless Co. starting in winter 1922.

    This variant represents the shorter cabinet version constructed without the side-mounted headphone compartment/receptacle found on the expanded cabinet version.

    The receiver features a finely wound inductance tube with 20 tappings, a "Detector De Luxe" with micrometer screw adjustment, and twin crystals (an open galena/cat's whisker detector combined with a Perikon detector) mounted on a superfine ebonite panel. All internal connections are fully soldered and insulated. It is housed in a compact mahogany cabinet with a hinged lid housing the operating instructions.

    Lineage & Cabinet Variant Note:

    As documented in Radio Radio (Jonathan Hill, p. 68, fig. 75), sets bearing GPO Reg. No. 249 originated with City Battery & Wireless Co. in late 1922. The model was produced in two distinct cabinet styles:

    • Standard Cabinet: Includes an integrated side compartment/receptacle for headphone storage (Width: 8.5 inches / 216 mm).
    • Short Cabinet: A more compact cabinet omitting the side headphone compartment.

    Both variants were also marketed and distributed through London selling agents Fowler & Brigden (130 Euston Road).

  • Precio durante el primer año
  • 1.63 £
  • Documentación / Esquemas (1)
  • -- Original prospect or advert (Amateur Wireless Jun 23, 1923, p.882.)
  • Documentación / Esquemas (2)
  • -- Original prospect or advert (Popular Wireless Weekly May 26, 1923, p.573)

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