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DET1_MO

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ID = 37185
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Transmitting Triode, air cooled   Power/Output 
  <1925 very rare. ***
Identical to DET1_MO = NT18

Base L4 British large 4 pin (1922, LG4)
Was used by Transmittertube (Radio)
Filament Vf 6 Volts / If 1.9 Ampere / Direct / Specified voltage AC/DC
Description

40W transmitting tube. Up to 1000V anode voltage; mu 11. Four pin square base.

 
Dimensions (WHD)
incl. pins / tip
80 x 185 x mm / 3.15 x 7.28 x inch
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   Marconi catalog No. 520, Sept. 1928
The Saga of Marconi Osram Valve   pages 164 etc.

l4_based_triode~~7.png DET1_MO: Fin Stewart
Fin Stewart


Just Qvigstad
osram_det1_descr.png
DET1_MO: own collection
Peter den Boer

More ...
Usage in Models 1= 1940

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

Collection of

 
gecovalve_det1.jpg

DET1_MO
 

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