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QX

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ID = 17811
       
Country:
Great Britain (UK)
Brand:
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Triode, vacuum   Detector 
  <1925 very rare. ***
Identical to QX
Successor Tubes DEQ  

Base Soffit 2 Sidecontacts.
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.75 Ampere / Direct / Specified voltage AC/DC
Description

Designed for detector use. "Non-capacity". Also used in amplifiers as a rectifier, where several V24 valves are used in "cascade". Valve also made in Japan as a copy

 
Dimensions (WHD)
incl. pins / tip
18 x 73 x mm / 0.71 x 2.87 x inch
Weight 12 g / 0.42 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   1925 Brown Brothers Catalog 217
Saga of the Vacuum Tube, Tyne   
- - Manufacturers Literature
70 Years of Radiotubes and V.

triode~~5.png QX: Fin Stewart
Fin Stewart

qxdeq1.png
QX: own collection
Peter den Boer

More ...
Usage in Models 1= 1920?? ; 1= 1920 ; 1= 1922?? ; 1= 1922 ; 1= 1923??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

 
screenshot_20211023_143320_gallery.jpg

QX
 

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