• Year
  • 1936 ?
perfect model
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 33309

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 264 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / =6 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6.5 inch = 16.5 cm
  • Power out
  • 3 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 556 - Atwater Kent Mfg. Co.;
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 7 x 10 x 6.75 inch / 178 x 254 x 171 mm
  • Notes
  • vibrator for +B; Tube 6Q7G is from 1936.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before

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