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ID = 15957
Brand: Klangfilm GmbH
Tube type:  Triode, vacuum   Power/Output 
Identical to KL72406 = AD1_4pin
Similar Tubes
Other base:

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.9 Ampere / Direct / Parallel, (AC/DC)

The Röhren Taschen Tabelle (Franzis-Verlag) shows the wrong base diagram Au11 !

Text in other languages (may differ)
Tube prices 3 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
KL72406: Sammlung
Anonymous 557 Collector

KL72406: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe


from Just Qvigstad

Usage in Models 1= 1936?? ; 1= 1939?? ; 1= 1952??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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