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ID = 26612
Brand: Valvo Radioröhrenfabrik GmbH; 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:

Base Europe side contact base P (P8A) Top contact screw type
Filament Vf 4 Volts / If 0.7 Ampere / Half indirect / Parallel, (AC/DC)
Description Variant of the RES1664d with P8- side contact base 
Text in other languages (may differ)
RES1664d_p8: J R
Jacob Roschy


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