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E441N_7pin

Information - Help 
ID = 55701
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Dual-Grid Tetrode 
Identical to E441N_7pin
Similar Tubes
Normally replaceable-slightly different:
  E441_7pin
Other base:
  E441N

Base SPECIAL TUBEBASE in general
Filament Vf 4 Volts / If 1 Ampere / Indirect
Description This tube has a so called Philips Q base. See the pdf file below. 
Literature - - Manufacturers Literature   
  e441_7pin.gif
  E441N_7pin: ficha de valvulas
Wolfgang Holtmann
 
e441_7pins_philips_lmp1.jpg
E441N_7pin: YBA
Bekir Yurdakul

 
e441_7pin_2.png
E441N_7pin: Philips
Wolfgang Holtmann

 

Documents about this component
  The Philips Q base is only used with the E441 and E441N. 79 KB

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