• Year
  • 1931 ??
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 345945

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Altoparlante Dinamico Gigante R 251 - SAFAR Società Anonima
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Altoparlante con eccitazione da alimentatore in corrente alternata con raddrizzatore a valvola.
    Dotato di trasformatore a prese multiple per poter funzionare a qualsiasi tensione di rete.

  • Mentioned in
  • -- Original prospect or advert (L'Antenna, Ottobre 1931)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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