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OSW2190

Information - Help 
ID = 21799
       
Country:
Germany
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to OSW2190 = 6AC7 = 2190_OSW = HF2190 = 6AC7_DDR
Similar Tubes
Other shape (e.g. bulb type):
  6Ж4
Other class quality (otherwise equal):
  2600_OSW ; OSW2600
First Source (s)
1949 : -- Collector info (Sammler)

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect / Parallel, (AC/DC)
 
6ac7_osw_2190.jpg
OSW2190: W.E.
Wolfgang Eckardt

 
6ac7.png
OSW2190: Datenblatt
Wolfgang Bauer

 
osw_2190.png
OSW2190: Werk für Fernmeldewesen Schöneweide
Egon Strampe



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