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164_4pin

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ID = 10787
       
Country:
Germany
Brand: Loewe-(Opta); Deutschland
Tube type:  Vacuum Pentode   Power/Output 
Identical to 164_4pin = RES164d
Similar Tubes
Other base:
  164_5pin

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Foo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
opta164.jpg
164_4pin: K.H.
Klaus Herbst

 
164_so.png
164_4pin: rtt
Michael Schlör

 

from Just Qvigstad


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