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EGM1

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ID = 79840
       
Country:
France
Brand:
Tube type:  Vacuum Pentode   UHF 
Identical to EGM1
Similar Tubes
Other base and data slightly different:
  EG1_SFR ; LV5
Predecessor Tubes EG1_SFR  

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Military and/or Government
Filament Vf 12.6 Volts / If 0.22 Ampere / Indirect
Description

Space charge penthode.
G1 = space grid, G2 = control grid, G3 = screen grid

This tube seems to be a variant with a miniature base of EG1 SFR / CSF (~ LV5 Wehrmacht):
- "identical" construction
- very similar static electrical characteristics by comparing 2 EGM1 and 2 EG1 and similar characteristics indicated by Telefunken for the LV5
In contrast to EG 1 / LV5, grid 3 is accessible at pin 6

 
Text in other languages (may differ)
Information source -- Collector info (Sammler)   

egm1_culot_s2.png EGM1: BABANI Tube Encyclopaedia Supplement 1951-1954
Patrice Zeissloff

More ...

Just Qvigstad
brans_61_63_page_314_315.png
EGM1: P.H. Brans Radio-Tubes Vade-Mecum
Patrice Zeissloff

Collection of

 
egm1_sfr_p01_s.jpg

EGM1
 

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