RD Junior Switched FM Tuner

Rogers, Catford (see also Rogers Birmingham)

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  • Year
  • 1959 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 356857

 Technical Specifications

  • Number of Tubes
  • 4
  • Number of Transistors
  • Main principle
  • Superhet with RF-stage
  • Wave bands
  • FM Broadcast Band Only
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: RD Junior Switched FM Tuner - Rogers, Catford see also
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 5 x 5 x 5 inch / 127 x 127 x 127 mm
  • Notes

  • 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.

  • Mentioned in
  • -- Original prospect or advert (HiFi Year Book 1959, Page 80.)
  • Literature/Schematics (1)
  • -- Original prospect or advert (HiFi Year Book 1962, Page 45.)
  • Author
  • Model page created by Gary Cowans. See "Data change" for further contributors.

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