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PT55

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ID = 58838
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
Identical to PT55 = TS55
Similar Tubes
Other class quality (otherwise equal):
  18013

Base Europe side contact P8A (Au P, 8SC) Top contact with a cap.
Was used by Telephony
Filament Vf 4 Volts / If 1.3 Ampere / Indirect
Description Alternate marking for Philips 18013 delivered to Italian 'Poste e Telegrafi'. 
Information source -- Collector info (Sammler)   


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