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E441_7pin

Information - Help 
ID = 27366
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to E441_7pin
Similar Tubes
Normally replaceable-slightly different:
  E441N_7pin
Other base:
  E441_2S

Base SPECIAL TUBEBASE in general
Filament Vf 4 Volts / If 0.9 Ampere / Indirect
Description base: 7-pin bigrille (2 pins biger and larger) This tube has a Philips type Q base. See the pdf file below. 
Text in other languages (may differ)
Literature -- Collector info (Sammler)   
- - Manufacturers Literature   R783 Fr 1-4-1929
  e441_7pin_1.gif
  E441_7pin: ficha de valvulas
Wolfgang Holtmann
 
e441culot7br_web.jpg
E441_7pin: CA von einem Buch
Christian ADAM

 
e441_7pin_1.png
E441_7pin: Philips
Wolfgang Holtmann

 
e441data1.png
E441_7pin: own collection
Peter den Boer


Usage in Models 1= 1929??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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

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