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ID = 21913
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Beam Power Tube   Power/Output 
Identical to OSW3108 = 3108_OSW = HF3108 = 6L6_DDR
Similar Tubes
Other shape (e.g. bulb type):
  6L6G ; 6L6GA ; 6П3С
First Source (s)
1949 : -- Collector info (Sammler)

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.9 Ampere / Indirect / Specified voltage AC/DC
OSW3108: W.E.
Wolfgang Eckardt

More ...
OSW3108: Datenblatt
Wolfgang Bauer

OSW3108: Radio u. Fernsehen 1/55
Wolfgang Eckardt

from Just Qvigstad

Collection of a member from D

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