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ID = 3517
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Vacuum Pentode   Power/Output 
Identical to P50 = SRS552
Similar Tubes
Other class quality (otherwise equal):
  LS50 ; P50/2

Filament Vf 12.6 Volts / If 0.75 Ampere / Indirect / Specified voltage AC/DC
Description Zeilenendröhre auf Basis der Wehrmachtsröhre LS50. P50/2 ist die verbesserte Ausführung (G1 und G2 deckungsgleich). 
Information source -- Original prospect or advert

sp241.png P50: RTT 1974 (Franzis) 13. Auflage
Martin Renz

P50: Gleichrichter und Spannungsregler, 1954
Anonymous 15 Collector

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Usage in Models 1= 1952 ; 2= 1954

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

Collection of



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