• Year
  • 1925
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 130530
    • Brand: Pennsylvania (Trade name)

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Pennsylvania Type G - Hamburg Brothers; Pittsburgh,
  • Notes
  • Horn speaker. Adjustable unit.
  • Price in first year of sale
  • 13.00 $
  • Source of data
  • -- Collector info (Sammler)
  • Mentioned in
  • The Radio Trade Directory, August 1925

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