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71A

Information - Help 
ID = 3600
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Power/Output 
Identical to 71A = UX171A = CX371A = CX71A = UX-71A = ER71A = ER171A = AC4 = X-171A = 471A = T71A = MX171A = 171A = 171AC = SX171A = JX-171A = RayX-171A
Similar Tubes
Other shape (e.g. bulb type):
  M71A
Normally replaceable-slightly different:
  38071
First year Nov.1926 Saga of the Vacuumtube, Tyne page 316: replaced the UX171
First Source (s)
1927 : -- Collector info (Sammler)
Successor Tubes 45  
Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Tube prices 4 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
71a_3.jpg
71A: K.H.Fischer
Karlheinz Fischer
 
171_17.png
71A: Telefunken Werkstattbuch
Wolfgang Bauer
 
71a_techdat01.png
71A: Sylvania Technical Manual
Peter Hoddow
Usage in Models 1= 1926? ; 3= 1926 ; 65= 1927 ; 1= 1928?? ; 3= 1928? ; 97= 1928 ; 7= 1929? ; 49= 1929 ; 8= 1930?? ; 5= 1930? ; 40= 1930 ; 9= 1931?? ; 1= 1931? ; 16= 1931 ; 4= 1932?? ; 6= 1932? ; 9= 1932 ; 1= 1933?? ; 2= 1933? ; 2= 1934?? ; 1= 1935?? ; 1= 1935? ; 1= 1936?? ; 1= 1938?? ; 1= 1939 ; 1= 1940?? ; 1= 1947 ; 1= 1950?? ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):339
Collection of a member from USA
Collection of Fin Stewart (AUS)
Collection of Karlheinz Fischer (D)
Collection of David Erali (USA)
Collection of Jose Antonio Gonzalez-Ruiz (E)
Collection of Klaus Rüdiger (D)
Collection of Christian Schaufelberger (CH)
Collection of Otto Frosinn (D)
Collection of Massimo Pedrina (I)
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