• Paese
• USA (Stati Uniti d'America)

• Produttore / Marca
• General Electric Co. (GE); Bridgeport CT, Syracuse NY

• Anno
• 1946

• Categoria
• Radio (o sintonizzatore del dopoguerra WW2)

• Radiomuseum.org ID
• 41825

• • Brand: Musaphonic

Clicca sulla miniatura dello schema per richiederlo come documento gratuito.

• Numero di tubi
• 5

• Valvole
• 12SA7 12SG7 12SQ7 50L6GT 35Z5GT or 35Z5G

• Principio generale
• Supereterodina (in generale); ZF/IF 455 kHz; 2 Stadi BF

• N. di circuiti accordati
• 6 Circuiti Mod. Amp. (AM)

• Gamme d'onda
• Solo onde medie (OM).

• Tensioni di funzionamento
• Alimentazione universale (doppia: CC/CA) / Either AC: 25-60 Hz, 105-125V or DC: 105-125 Volt

• Altoparlante
• AP magnetodinamico (magnete permanente e bobina mobile) / Ø 5.25 inch = 13.3 cm

• Potenza d'uscita
• 1.25 W (2 W max.)

• Materiali
• Mobile in legno

• Radiomuseum.org
• Modello: 103 - General Electric Co. GE;

• Forma
• Soprammobile con qualsiasi forma (non saputo).

• Dimensioni (LxAxP)
• 13 x 8.25 x 7.94 inch / 330 x 210 x 202 mm

• Annotazioni

• The General Electric 103 is an AC/DC operated 5 tube BC band receiver.  The BC band frequency tuning range is 540 - 1600kHz. Has built-in loop antenna with provisions for connecting an external antenna.

  The following models use the same schematic and chassis but have different cabinets:

  Model	Cabinet
  100	Brown Plastic
  101	Ivory Plastic
  103	Mahogany Wood
  105	Maple Wood

  Note: The following production changes were made on models having serial numbers of 5000 and above (Per Riders and Beitmans):

  a)   C18 connects between the output tube plate and screen instead of the plate and ground.
  b)   The plate and screen filter (C11, R6) is moved from the IF amplifier circuit to the converter plate and screen circuit.
  c)   The filament connections (pins 2 and 7) of the 12SA7 converter tube are interchanged.

• Fonte esterna dei dati
• Radio Retailing (January 1946 page 11, April 1946 page 11)

• Fonte dei dati
• Collector's Guide to Antique Radios 4. Edition

• Riferimenti schemi
• Rider's Perpetual, Volume 15 = 1947 and before

• Bibliografia
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Letteratura / Schemi (1)
• Photofact Folder, Howard W. SAMS (Set 6, folder 13 dated 10-46)

• Letteratura / Schemi (2)
• Rider's Perpetual, Volume 15 = 1947 and before (Riders (General Electric) 15-6, 7, 8)

• Letteratura / Schemi (3)
• General Electric Service Notes (General Electric Service Guide Volume III 1946 to 1961 Page 104)

• Letteratura / Schemi (4)
• Beitman Radio Diagrams, Vol. 06, 1946 (Page 53)

• Altri modelli

• In questo link sono elencati 2919 modelli, di cui 2142 con immagini e 2045 con schemi.
  Elenco delle radio e altri apparecchi della General Electric Co. (GE); Bridgeport CT, Syracuse NY