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ID = 11721
Brand: VATEA; Budapest
Tube type:  Vacuum Pentode   Power/Output 
Identical to TL414 = B443_4pin
Similar Tubes
Other base:

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Foo)
Filament Vf 4 Volts / If 0.15 Ampere
Description Diese Röhre gab es auch mit Europasockel 5-Stift. Codex falsch erfasst! 
Literature Taschenbuch zum Röhren-Codex 1948/49   
TL414: Sammlung
Anonymous 557 Collector

TL414: rtt
Michael Schlör


Usage in Models 2= 1930

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of a member from D

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