• Year
  • 1951 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 41866
    • Brand: Musaphonic

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Number of Transistors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz; 2 AF stage(s); Reflex
  • Tuned circuits
  • 6 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • AC/DC-set / 117V = 105 -125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 inch = 13.3 cm
  • Power out
  • 1.1 W (unknown quality)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: 218 - General Electric Co. GE;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 13.6 x 8.4 x 6.9 inch / 345 x 213 x 175 mm
  • Notes
  • General Electric model 218 is an AC-DC operated AM-FM superheterodyne receiver with loop antenna. In FM mode, the RF preamplifier V1 (12BA6) is reflexed as the 1st IF amplifier.
    Color=mahogany.

     

  • Net weight (2.2 lb = 1 kg)
  • 7 lb 12 oz (7.75 lb) / 3.519 kg
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 22, covering 1951

 Collections | Museums | Literature

Collections

The model 218 is part of the collections of the following members.

 Forum

Forum contributions about this model: General Electric Co.: 218

Threads: 1 | Posts: 5

Hello,

This model carries a sticker  "FM  The Armstrong system" on its backpanel. It seems to be a variant on the Foster-Seeley discriminator. Does somebody have more info on this Armstrong system?

Thanks

Radiomuseum Olen Museum, 26.Nov.18

Weitere Posts (5) zu diesem Thema.