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40A12

Information - Help 
ID = 26645
       
Country:
France
Brand: Celsior (tubes), Radio-Celsior; Paris
Tube type:  Ballast Tube (neither FeH or Urdox)   Power-supply 
Identical to 40A12
Similar Tubes
Other base:
  F305

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament If 0.3 Ampere / Specified current AC/DC ~ = (Series working)
Description Ballast (vacuum resistor) for 0,3A tubes main voltage 110V 130V 220V 240V

Output :

2 dial lamps 6V 0,1A

Radio tubes heater 2x25V + 3x6,3V

Plate / anode voltage 110V

 
Text in other languages (may differ)
Information source - - Manufacturers Literature   

celsiorculotfoctals_5.png 40A12: Celsior
Patrice Zeissloff


Just Qvigstad
radiocelsiordatasmall_17.png
40A12: own collection
Peter den Boer

Usage in Models 1= 1938?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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