All-wave Superheterodyne S620L

Faraday All-wave Wireless Company Ltd.; London

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  • Year
  • 1933 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 238766

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: All-wave Superheterodyne S620L - Faraday All-wave Wireless
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Notes

  • The Faraday All-wave Superheterodyne Model 620L, as advertised in Wireless World on November 24, 1933, is a sophisticated table-model superheterodyne radio receiver designed for operation with A.C. mains. It covers a wide wavelength range of 15 to 2,000 meters and features automatic volume control and a moving-coil loudspeaker.

    Technical Specifications:

    • Circuit Design:
      • Var-mu H.F. pentode signal frequency amplifier
      • H.F. pentode frequency changer
      • Var-mu H.F. pentode intermediate frequency (I.F.) stage
      • Duodiode pentode second detector
      • Pentode output valve
    • User Controls:
      • Tuning calibration across four wave ranges
      • Wave-change switch
      • Combined volume and power switch
      • Tone control switch
    • Price:
      • Available in a walnut cabinet for £28 10s.

    For comparison, see the earlier version, Model 620 (1932).

  • Price in first year of sale
  • 28.50 GB £
  • Author
  • Model page created by Gidi Verheijen. See "Data change" for further contributors.

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