• Year
  • 1921
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 120207

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 5 Volt
  • Loudspeaker
  • Horn / Ø 6 inch = 15.2 cm
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: R3A - Magnavox Co., Commercial
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 6 x 0 x 0 inch / 152 x 0 x 0 mm
  • Notes
  • Electrodynamic system. Straight neck horn. smooth painted. Field current 1 Amp; Ind.coil 1670 Ohms.
  • Literature/Schematics (1)
  • Radio Horn Speaker Encyclopedia, by Floyd A.Paul

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