• Country
• United States of America (USA)

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

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 41877

• • Brand: Musaphonic

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

• Number of Tubes
• 5

• Valves / Tubes
• 1LN5 1LC6 1LH4 1LN5 3Q5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 1 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / Either AC: 50 to 60 Hz, 105-125V or Batteries: 2 Volt

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

• Power out
• 0.248 W (0.365 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: 250 - General Electric Co. GE;

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

• Dimensions (WHD)
• 14.5 x 10 x 6 inch / 368 x 254 x 152 mm

• Notes

• The General Electric 250 is a 5 tube AC/Battery operated portable BC band receiver.  The BC band frequency tuning range is 540 to 1600kHz.  Has RF stage and built-in loop antenna. Also has synchronous vibrator circuit that generates B+ voltage.  Used rechargable 2V/25AH Lead-Acid battery.  Available case colors include brown and gray.

  Case is made of cast aluminum construction with hammertone paint finish. Has 3 position tone switch. Lead acid 2V cell must be in the circuit for operation on AC current as it provides filtering and reference voltage for tube filaments.

• Net weight (2.2 lb = 1 kg)
• 19.75 lb (19 lb 12 oz) / 8.967 kg

• Price in first year of sale
• 86.60 $

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Mentioned in
• A Flick of the Switch 1930-1950

• Literature/Schematics (1)
• Radio Retailing (Radio & Television R.) (June 1946 page 36.)

• Literature/Schematics (2)
• General Electric Service Notes (General Electric Radio Service Guide Volume III 1946 to 1961 page 57)

• Literature/Schematics (3)
• General Electric Folder 1000M-PUB.NO. 175-59 for 1947.

• Other Models

• Here you find 2916 models, 2139 with images and 2042 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