• Year
  • 1929
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 147205

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 28 cm = 11 inch
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: F7 table speaker - Atwater Kent Mfg. Co.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 11.6 x 13.1 x 0 inch / 295 x 333 x 0 mm
  • Notes
  • For an storage battery Receiver supplying DC field current as the AK model 67;

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