P780B

• Country
• United States of America (USA)

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

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 147004

• • Brand: Musaphonic

• Picture
• Schematics

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

• Number of Transistors
• 8

• Semiconductors
• 2N544 2N1058 SYL1608 2N293 GT1223 SYL1524 2N1059 2N1059

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / D: 6 x 1.5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: P780B - General Electric Co. GE;

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

• Dimensions (WHD)
• 270 x 200 x 100 mm / 10.6 x 7.9 x 3.9 inch

• Notes
• Battery operated transistorized portable AM receiver. Sams photofact set 485 folder 10 date 5-60 features the General Electric models P780A and P780B as the same schematic.

• Net weight (2.2 lb = 1 kg)
• 4.1 kg / 9 lb 0.5 oz (9.031 lb)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 485 folder 10 date 5-60)

• Author
• Model page created by Peter Hoddow. 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