• Country
• United States of America (USA)

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

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 42174

• • Brand: Musaphonic

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7GT 12B7 12Q7GT 35L6GT 35Z5GT

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 115 Volt

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

• Power out
• 1.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: H-502 [12B7 tube] - General Electric Co. GE;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 9.1 x 5.87 x 5.75 inch / 231 x 149 x 146 mm

• Notes
• BC Band: 540 - 1600 KHz. Color = Mahogany plastic.
  Power Supply: 115VAC(25-60Hz) or DC. When operating from a DC source, power plug must be inserted with proper polarity. Uses dial lamp Qty (1) Mazda No 47. There is also a variant using a 14A7 instead of 12B7.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Literature/Schematics (1)
• General Electric Radio Service Notes 1939-1942

• 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