• Year
  • 1922 ?
  • Category
  • RF (Radio Frequency-) Amplifier
  • Radiomuseum.org ID
  • 95014
    • alternative name: SED

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • Radio Frequency Amplification only
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 4 & 50 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: HFM3 - Ducretet -Thomson; avant:
  • Dimensions (WHD)
  • 280 x 200 x 100 mm / 11 x 7.9 x 3.9 inch
  • Notes
  • Les dimensions de l'appareil sont données sans les lampes.
  • Author
  • Model page created by a member from F. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model is part of the collections of the following members.

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