• Year
  • 1929
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 147125

 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: F2C speaker chassis - Atwater Kent Mfg. Co.;
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 12 x 12 x 7.25 inch / 305 x 305 x 184 mm
  • Notes
  • For a 25 cycle AC-Receiver supplying DC field current as the AK model 55F;
  • Price in first year of sale
  • 27.00 $
  • Literature/Schematics (1)
  • AK catalog 1929

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