• Year
  • 1915 ??
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 298661
    • alternative name: Lee De Forest Mfg.

 Technical Specifications

  • Number of Tubes
  • 1
  • Main principle
  • Detector with Vacuum Tube (Valve), no tuner
  • Power type and voltage
  • Direct Current supply (DC)
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case, TUBES VISIBLE.
  • from Radiomuseum.org
  • Model: Audion-Ultraudion - DeForest Radio Telephone &
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Notes
  • Für den Anschluss an eine Gleichstromzentrale (Maschine) vorgesehen, keine besondere Batterie notwendig.

  • Mentioned in
  • Lehrbuch der drahtlosen Telegraphie, Zenneck, 4. Aufl., 1916, S.519
  • Author
  • Model page created by a member from D. See "Data change" for further contributors.

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