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4BFF2

Information - Help 
ID = 15211
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Triode, vacuum   Power/Output 
Identical to 4BFF2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
45 x 103 x mm / 1.77 x 4.06 x inch
Weight 38 g / 1.34 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
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4BFF2: eigene Sammlung
Rolf Beckers

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4BFF2: Radiomuseum
Rolf Beckers

 

from Just Qvigstad

Usage in Models 1= 1930??

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


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