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ID = 80397
Brand: Lorenz; Berlin, Zuffenhausen u.a.
Tube type:  Vacuum Pentode   Power/Output 
Identical to LL415D
Similar Tubes
Normally replaceable-slightly different:
First Source (s)
15.Mar.1929 : Funk Bastler
Predecessor Tubes LLD415  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0 Ampere / Direct / Parallel, (AC/DC defined voltage)

Die Endröhre LL415D ist eine Schirmgitterröhre, die in zwei Ausführungen, mit 4 oder 5 Steckern geliefert wird. Der Seitenanschluß führt an des Schirmgitter. (Zitat aus Bedienungsanleitung Lorenz Weltspiegel 2, 1929)

Information source Funk Bastler   

from Just Qvigstad

Usage in Models 2= 1929

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

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