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ID = 37463
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to E441_2S
Similar Tubes
Other base:
  E441 ; E441_7pin

Base Europe "B5 big size" (D, Bigrille) 2 Sidecontacts.
Filament Vf 4 Volts / If 0.9 Ampere / Indirect / Specified voltage AC/DC
Description See pin assignment on the datasheet. 
Dimensions (WHD)
incl. pins / tip
50 x 103 x mm / 1.97 x 4.06 x inch
Information source -- Collector info (Sammler)   
- - Manufacturers Literature   R783 Fr 1-4-1929
E441_2S: Aus meiner Sammlung
Rudolf Osterkamp

More ...
E441_2S: Philips
Wolfgang Holtmann

E441_2S: own collection
Peter den Boer

More ...

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