A-83

General Electric Co. (GE); Bridgeport CT, Syracuse NY

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  • Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 42011
    • Brand: Musaphonic

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / 25 or 60 cycles: 105 - 120 or 115; 125; 220; 240 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 9 inch = 22.9 cm
  • Power out
  • 6 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: A-83 - General Electric Co. GE;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 14.75 x 20.2 x 11.1 inch / 375 x 513 x 282 mm
  • Notes

  • Riders is showing the same schematic for the General Electric A-83 and A-85 (for IF 465) on pages GE 7-21 through 7-24. Beitman states 456 kc for the IF - this might be wrong.

    The A-83 and A-85 can be fitted with a 25 cycle (C) or 60 cycle mains transformer which came in two versions, one fix for 105-120 volts (A), the other for 105 to 250 volts with 4 tappings (V). The band B (Broadcast) covers 540 - 1720 kc, the band C (Fishery, Police etc.) 1720 - 5800 kc and band D (SW) 5.8 - 18 mc.

    Stein "Cathedral & Tombstone Radios" lists 4 bands for this model.

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

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