"All-Wave" E-81 Ch= RBS-24

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

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  • Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 42043
    • 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
  • 9 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 8 inch = 20.3 cm
  • Power out
  • 6.5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: "All-Wave" E-81 Ch= RBS-24 - General Electric Co. GE;
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 15.75 x 19.75 x 11.375 inch / 400 x 502 x 289 mm
  • Notes
  • The General Electric models E-81 and E-86 (August 1936) share the same schematic at Rider's 7-17 through 7-20 which show IF peak at 465 kc. They can have 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 - 1680 kc, the band C (Fishery, Police etc.) 1680 - 6000 kc and band D (SW) 6 - 18 mc.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before

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