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VR90-30

Information - Help 
ID = 12285
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Voltage Regulator, cascade 
Identical to VR90-30 = CV3799 = VT-184
Similar Tubes
Other class quality (otherwise equal):
  38290

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
Filament
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
0b3_1_vr90_30_vt184~~1.jpg
VR90-30: Own collection
Valery Gromov

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vr9030_so.png
VR90-30: arrl Handbook 1972
Michael Schlör

 

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