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Q_Ideezet

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ID = 52334
       
Country:
Netherlands
Brand: Ideezet tubes (made by Philips); the Hague.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Space Charge Tetrode   Audio Frequency 
  <1925 very rare. ***
Identical to Q_Ideezet = Q_Philips
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.5 Ampere / Direct / Battery =
Description

Anode 4-8 Volt, space charge grid 2-6 Volt. In 1923 the Q had a brass base shell and the space charge grid was connected to this shell. You needed also a copper spring to connect this grid. The sidecontact was a 1924 invention.

 
Information source
b6d64pinscvoet_1~~1.png Q_Ideezet
Peter den Boer

Just Qvigstad 		partidzcatb31923_2.png
Q_Ideezet: own collection
Peter den Boer

Collection of

Peter den Boer (NL)
 
q_data_philips1923_2_3.png

 
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