• Country
• United States of America (USA)

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

• Year
• 1958/1959

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 70386

• • Brand: Musaphonic

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

• Number of Transistors
• 7

• Semiconductors
• 2N1058 GT760R 2N293 T1577 1524 4JX1E850 4JX1E850

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / "D" 3 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• from Radiomuseum.org
• Model: P771A - General Electric Co. GE;

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• The General Electric P771A is a battery operated 7 transistor portable AM Radio.
  The AM band tuning range is 540 - 1620 kHz.  Uses Qty(3) 1.5V "D" size batteries. Has push-pull audio output stage and separate switch for dial light.  Jumpers on circuit board allow use of either NPN or PNP output transistors.

  The P771A is part of the following family of models:

  Model	Cabinet
  P770A	Plastic - Antique White
  P771A	Plastic - Green
  P776A	Leather - Brown
  P776B	Leather - Brown

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 11-59, Set 464, Folder 10)

• Literature/Schematics (2)
• Beitman Radio Diagrams, Vol. 20, 1960 (Page 55)

• Literature/Schematics (3)
• General Electric Service Notes (General Electric Radio Service Guide Volume III 1946 to 1961 page 90)

• Author
• Model page created by Trev Levick. See "Data change" for further contributors.

• Other Models

• Here you find 2918 models, 2141 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