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RES1664d_p8

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ID = 26612
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Vacuum Pentode   Power/Output 
  Late but very rare. ***
Identical to RES1664d_p8
Similar Tubes
Other base:
  RES1664d

Base Europe side contact P8A (Au P, 8SC) Top contact screw type.
Filament Vf 4 Volts / If 0.7 Ampere / Half indirect / Specified voltage AC/DC
Description Variant of the RES1664d with P8- side contact base 
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Just Qvigstad

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res1664_ct2.jpg

 

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