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TM

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ID = 3759
       
Country:
France
Brand:
Tube type:  Triode, vacuum   Universal 
Identical to TM = R_Osram = R_Penton = R_Marconi = R_Mullard = TM_Replica = R_Replica = UF-101 = R_England
Similar Tubes
Normally replaceable-slightly different:
  A_BTH ; R1A ; R1B
Different maximum ratings:
  B_BTH
First year 23.Oct.1915 Saga of the Vacuum Tube, Tyne Patent date: page 192 to 195 and production.
Successor Tubes PR1   R_Marconi  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Military and/or Government
Filament Vf 4 Volts / If 0.7 Ampere / Direct / Battery =
Description

Development (based on the DeForest Audion) initiated 1914, of a Triode having a cylindrical, single side supported system. Patented 1915. Design and introduction of the later common European 4pin socket B4. Manufactured by Grammont (Fotos), soon also by Metal. More than 100.000 produced during WW1.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
55 x 118 x mm / 2.17 x 4.65 x inch
Weight 52 g / 1.83 oz
Tube prices 6 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   
British Radio Valves - The Vintage Years: 1904-1925   
-- Collector info (Sammler)

b4.gif TM: KoBi
Konrad Birkner † 12.08.2014


Just Qvigstad
tm_spec.png
TM: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector

More ...
Usage in Models 3= 1916?? ; 3= 1916? ; 2= 1916 ; 8= 1917?? ; 1= 1917? ; 6= 1917 ; 3= 1918?? ; 1= 1918? ; 1= 1918 ; 8= 1920?? ; 1= 1920? ; 2= 1920 ; 2= 1921? ; 3= 1921 ; 10= 1922?? ; 17= 1922? ; 40= 1922 ; 6= 1923?? ; 17= 1923? ; 58= 1923 ; 7= 1924?? ; 9= 1924? ; 28= 1924 ; 7= 1925?? ; 15= 1925? ; 10= 1925 ; 1= 1926? ; 1= 1926 ; 2= 1927 ; 1= 1928 ; 1= 2000?? ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):277

Collection of


Documents about this component
  Replica Tubes self made for TM and RE11 etc. 1192 KB
 
tm_rm2.jpg

TM
 

Forum contributions about this tube
TM
Threads: 1 | Posts: 1
Hits: 444     Replies: 0
Grande et petite histoire de la lampe TM
Christian ADAM
14.Dec.22
  1

L'etude historique la plus complète concernant la lampe TM a été publiée sous le titre ci-dessus dans la revue "LA LIAISON DES TRANSMISSIONS" n° 126 de Novembre - Décembre 1980 en tant que fascicule spécial de 48 pages à l'intérieur de la revue. L'auteur de ce document très complet est Robert CHAMPEIX. Ce document en français se trouve numérisé sur internet.

 
TM
End of forum contributions about this tube

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