Ravensbourne 2 FET tuner Series II (2)

Rogers, Catford (see also Rogers Birmingham)

  • Année
  • 1970 ?
  • Catégorie
  • Radio - ou tuner d'après la guerre 1939-45
  • Radiomuseum.org ID
  • 356742

 Spécifications techniques

  • No. de transistors
  • Semi-conducteurs présents
  • Semi-conducteurs
  • Principe général
  • Super hétérodyne avec étage HF
  • Gammes d'ondes
  • FM uniquement
  • Tension / type courant
  • Alimentation Courant Alternatif (CA) / 200-250 Volt
  • Haut-parleur
  • - Pour casque ou amplificateur BF
  • Matière
  • Boitier en bois
  • De Radiomuseum.org
  • Modèle: Ravensbourne 2 FET tuner Series II - Rogers, Catford see also
  • Forme
  • Appareil d'étagère
  • Dimensions (LHP)
  • 12.5 x 5.25 x 11.5 inch / 318 x 133 x 292 mm
  • Remarques
  • The Rogers Ravensbourne FET FM Tuner, Series II is an improved version of the earlier Ravensbourne 2 FET Tuner. This high-quality stereo FM tuner operates in the standard FM broadcast range of 88 to 108 MHz.

    It features variable tuning and employs a wideband ratio detector for optimal signal processing. A center-zero tuning meter aids in precise station selection

    Key Specifications

    • Sensitivity: The tuner boasts a sensitivity of 2.7µV for 30 dB quieting, ensuring excellent reception of weak signals
    • Aerial Compatibility: It accommodates both 75-ohm coaxial and 300-ohm balanced aerial inputs, providing flexibility in antenna connections
    • Output: The device delivers an average output of 200 mV at 30% modulation, suitable for connection to most amplifiers

    Advanced Features

    The Ravensbourne FET FM Tuner, Series II incorporates several advanced features:

    • Integrated Circuits: The IF strip utilizes integrated circuits for improved performance and reliability
    • Multiplex Decoder: This allows for stereo FM reception
    • Switchable AFC: Automatic Frequency Control can be engaged to maintain accurate tuning
    • FET Front End: Field Effect Transistors in the front end provide superior signal handling
    • Noise Suppression: Inter-station noise suppression enhances listening comfort when tuning between stations.

    This model builds upon the strengths of its predecessor, offering refinements and improvements to deliver exceptional FM tuner performance.

  • Littérature
  • -- Original prospect or advert (HiFi Yearbook 1971, Page 106.)
  • Auteur
  • Modèle crée par Gary Cowans. Voir les propositions de modification pour les contributeurs supplémentaires.

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