radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

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 = DX-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 Vacuum Tube, 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? ; 98= 1928 ; 6= 1929? ; 51= 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):341
Collection of Fin Stewart (AUS)
Collection of a member from USA
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 Bruce Morgenstern (CDN)
Collection of Massimo Pedrina (I)
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg