422

• Country
• United States of America (USA)

• Manufacturer / Brand
• General Electric Co. (GE); Bridgeport CT, Syracuse NY

• Year
• 1951 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 41920

• • Brand: Musaphonic

• Picture
• Schematics

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

• Number of Tubes
• 6

• Valves / Tubes
• 12SK7 12SA7 12BA6 12SQ7 35L6GT 35Z5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / AC/DC 117=105-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 inch = 13.3 cm

• Power out
• 1 W (1.75 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 422 - General Electric Co. GE;

• Shape
• Tablemodel, with any shape - general.

• Notes

• The General Electric 422 is an AC/DC operated 6 tube BC band receiver.  The BC band frequency tuning range is 540 to 1600kHz.  Has built-in loop antenna mounted on rear panel. Uses #47 dial lamp.

  The following models use the same schematic, chassis and cabinet but have different cabinet colors:

  Model	Cabinet Color
  422	Mahogany
  423	Ivory

  WARNING:  One side of the AC line is connected to the chassis.  When servicing this radio, an isolation transformer should be used between the power line and the radio.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 12, 1952 (Page 57)

• Literature/Schematics (2)
• Rider's Perpetual, Volume 22 = covering 1951 (General Electric Section, pages 22-4, 22-5, 22-6)

• Literature/Schematics (3)
• General Electric Service Notes (General Electric Radio Service Guide Volume III 1946 to 1961 pages 126)

• Literature/Schematics (4)
• Photofact Folder, Howard W. SAMS (Set 154, folder 5 dated 12-51)

• Other Models

• Here you find 2916 models, 2139 with images and 2042 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Electric Co. (GE); Bridgeport CT, Syracuse NY