• Country
• United States of America (USA)

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

• Year
• 1960 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 85357

• • Brand: Musaphonic

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

• Number of Transistors
• 6

• Semiconductors
• 2N1058 GT760R 2N233 2N406 2N1059 or. 2N408 2N1059 or. 2N408

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.75 inch = 7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Super Six Transistor P790A - General Electric Co. GE;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• Sams photofact Set 508 Folder 11 (Nov. 1960) features the General Electric models P790A, P790B, P791A and P791B as the same schematic.

  Can use either 2x NPN or 2x PNP in the output stage.

• Source of data
• Beitman Radio Diagrams, Vol. 21, 1961

• Mentioned in
• Collector's Guide To TrR1 Bunis trans.94 (1996, page 95)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 508 folder 11 date 11-60)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 2919 models, 2142 with images and 2045 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