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TM

Information - Help 
ID = 3759
       
Country:
France
Brand: Common type France tube/semicond.
Tube type:  Triode, vacuum   Universal 
Identical to TM = R_England = R_Osram = R_Penton = R_Marconi = R_Mullard = R_Replica = TM_Replica = UF-101
Similar Tubes
Normally replaceable-slightly different:
  A_BTH
Different maximum ratings:
  B_BTH
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 4 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   
British Radio Valves - The Vintage Years, Thrower   
-- Collector info (Sammler)
 
tm_rm2.jpg
TM: H.S.
Hermann Scharfetter

 
b4.gif
TM: KoBi
Konrad Birkner † 12.08.2014

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


from Just Qvigstad

Usage in Models 2= 1915?? ; 1= 1916?? ; 3= 1916? ; 2= 1916 ; 7= 1917?? ; 1= 1917? ; 6= 1917 ; 3= 1918?? ; 1= 1918? ; 1= 1918 ; 8= 1920?? ; 1= 1920? ; 2= 1920 ; 2= 1921? ; 3= 1921 ; 8= 1922?? ; 17= 1922? ; 36= 1922 ; 5= 1923?? ; 13= 1923? ; 58= 1923 ; 4= 1924?? ; 8= 1924? ; 24= 1924 ; 4= 1925?? ; 13= 1925? ; 10= 1925 ; 1= 1926? ; 1= 1926 ; 2= 1927 ; 1= 1928 ; 1= 2000?? ; 4= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):253


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

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