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UBC81

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ID = 3426
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to UBC81 = 10LD13 = DH119 = 15BD7A
Similar Tubes
Normally replaceable-slightly different:
  14G6
Heater different:
  6BD7A ; EBC81
Other base:
  UBC41
First year 1956 -- Collector info (Sammler) Jacob Roschy
First Source (s)
Jan.1956 : -- Original-techn. papers.
Feb.1956 : Histoire de la lampe de radio
Predecessor Tubes UBC41  

Base Noval, B9A
Filament Vf 14 Volts / If 0.1 Ampere / Indirect / Series, AC/DC
Tube prices 2 Tube prices (visible for members only)
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
  ubc81.png
  UBC81: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ubc81_tfk.jpg
UBC81: M.M.
Michael Mischke

 
ubc81_sock.png
UBC81: Telefunken Taschenbuch 1971
Anonymous 15 Collector

 
ubc81_mullard_data_01.png
UBC81: Mullard - original papers
Wolfgang Romeyke


Usage in Models 1= 1955?? ; 12= 1956?? ; 9= 1956? ; 11= 1956 ; 7= 1957?? ; 12= 1957? ; 15= 1957 ; 2= 1958?? ; 4= 1958? ; 28= 1958 ; 3= 1959?? ; 8= 1959? ; 15= 1959 ; 10= 1960?? ; 5= 1960? ; 5= 1960 ; 1= 1961? ; 2= 1961 ; 1= 1962?? ; 1= 1962 ; 3= 1964? ; 4= 1964 ; 2= 1965?? ; 1= 1965 ; 1= 1966?? ; 1= 1970?? ; 1= 1973

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):165


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