RD Junior Switched FM Tuner

Rogers, Catford (see also Rogers Birmingham)

Datos
Foro
Imágenes
Colecciones

  • Año
  • 1959 ?
  • Categoría
  • Radio - o Sintonizador pasado WW2
  • Radiomuseum.org ID
  • 356857

 Especificaciones técnicas

  • Numero de valvulas
  • 4
  • Numero de transistores
  • Principio principal
  • Superheterodino con paso previo de RF
  • Gama de ondas
  • Solamente FM
  • Tensión de funcionamiento
  • Alimentado desde otro equipo o aparato principal.
  • Altavoz
  • - Este modelo usa amplificador externo de B.F.
  • Material
  • Metálico
  • de Radiomuseum.org
  • Modelo: RD Junior Switched FM Tuner - Rogers, Catford see also
  • Forma
  • Sobremesa de cualquier forma, detalles no conocidos.
  • Ancho, altura, profundidad
  • 5 x 5 x 5 inch / 127 x 127 x 127 mm
  • Anotaciones

  • Rogers RD Junior Switched FM Tuner

    Specifications

    • Tuning System: Switched tuning with incremental inductive tuning
    • Frequency Range: 87-96 Mc/s
    • Automatic Frequency Control (AFC): Yes, with Foster-Seeley discriminator
    • AFC Pull-in Range: ±500 kHz (unusually wide)

    Power Requirements:

    • 250V, 35 mA
    • 6.3V, 1.7 amps

    Circuit Design:

    • Cascode R.F. amplifier
    • Triode pentode frequency changer
    • One I.F. amplifier
    • Limiter
    • Foster-Seeley discriminator
    • Cathode follower output

    Controls:

    • Four-position switch on the front panel for program selection (Home, Third, Light, Off)
    • Pre-set volume control on the chassis

    Power Management:

    Fourth switch position turns the unit off, but keeps valve heaters lit for immediate use. Master switch for mains located on the Control Unit.

    Pricing (circa 1959-1962)

    Standard Model:

    • Price: £11 5s
    • U.K. purchase tax: £4 12s 2d

    HG88 Amplifier-Compatible Model:

    Without case

    • Price: £11 8s
    • U.K. purchase tax: £4 1s 3d

    This tuner was part of Rogers' expanding line of audio equipment in the 1950s, which included various amplifiers, control units, and speaker systems.

  • Mencionado en
  • -- Original prospect or advert (HiFi Year Book 1959, Page 80.)
  • Documentación / Esquemas (1)
  • -- Original prospect or advert (HiFi Year Book 1962, Page 45.)
  • Autor
  • Modelo creado por Gary Cowans. Ver en "Modificar Ficha" los participantes posteriores.

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