- 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
- 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 2910 models, 2135 with images and 2034 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
Collections
The model 250 is part of the collections of the following members.