• Year
  • 1928/1929
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 154446
    • alternative name: Operadio Mfg,

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Horn
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Senior - Operadio Corp.; St. Charles IL
  • Shape
  • Miscellaneous shapes - described under notes.
  • Dimensions (WHD)
  • 15 x 14 x 7 inch / 381 x 356 x 178 mm
  • Notes
  • Shape is an oval, nearly round cylinder.

  • Net weight (2.2 lb = 1 kg)
  • 10.896 kg / 24 lb 0 oz (24 lb)
  • Author
  • Model page created by a member from USA. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

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

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