Stereofetic FM Tuner

Leak, H.J.; London

  • Year
  • 1970 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 137702

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superhet with RF-stage
  • Wave bands
  • FM Broadcast Band Only
  • Power type and voltage
  • Alternating Current supply (AC) / 100-130; 200-250 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Stereofetic FM Tuner - Leak, H.J.; London
  • Shape
  • Book-shelf unit.
  • Notes
  • FM Stereo Tuner.

    Specifications:

    • Sensitivity: 2.5 µV for 30dB s/n ratio
    • Image rejection: 72 dB
    • IF rejection: 80dB
    • A.M. suppression: 50dB.
    • Aerial input: 75 Ω unbalanced
    • Output voltage: 0.9V r.m.s. at 75kHz deviation
    • Output impedance: 200 Ω
    • Channel separation: better than 35 dB at 1 kHz
    • Switched AFC
    • Tuning indicator combined stereo indicator
    • FET front end
    • ICs in IF stages and decoder
    • Ceramic filter IF stages
    • Automatic stereo switching with "mono lock" switch
    • Features "quasi - stereo", a method of progressively reducing noise while retaining some stereo effect.

    Wireless World September 1970, Page 468.

  • Price in first year of sale
  • 68.20 GB £
  • Source of data
  • -- Collector info (Sammler)

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