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12TF25

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ID = 38919
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Tube type:  Voltage Regulator, single 
Identical to 12TF25

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament --/--
Description Voltage regulation 280V 10 to 80mA. 
Dimensions (WHD)
incl. pins / tip
46 x 151 x mm / 1.81 x 5.94 x inch
Information source - - Manufacturers Literature   
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Just Qvigstad
Usage in Models 1= 1960??

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

Collection of

Collection of a member from D
 
comp_radiomuseum023.jpg

12TF25
 

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