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OSW2190

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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 / Specified voltage AC/DC

6ac7.png OSW2190: Datenblatt
Wolfgang Bauer

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Just Qvigstad
osw2190_1s.png
OSW2190: Katalog Röhren Oberspreewerk 1949
Achim Dassow

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Collection of

 
6ac7_osw_2190.jpg

OSW2190
 

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