• Country
• United States of America (USA)

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

• Year
• 1950 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 18647

• • Brand: Musaphonic

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1S5 3V4

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 117=105-120/ 90 & 7.5 Volt

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

• Power out
• 0.13 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 603 - General Electric Co. GE;

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

• Dimensions (WHD)
• 10.5 x 7.5 x 5.5 inch / 267 x 191 x 140 mm

• Notes

• General Electric model 603 is a three power operated portable superheterodyne receiver with loop antenna. Selenium Rectifier Color=Tan.

• Net weight (2.2 lb = 1 kg)
• 4 kg / 8 lb 13 oz (8.811 lb)

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Rider's Perpetual, Volume 21, Copyright 1950

• Mentioned in
• Collector's Guide to Antique Radios (6th edition)

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 10, 1950 (Die «Thali Schemasammlung» führt das Modell.)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 115, Folder 3 dated 12-50)

• Other Models

• Here you find 2906 models, 2125 with images and 2031 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