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D77

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ID = 18560
       
 
   
Tube type:  Double Diode   Detector 
Identical to D77 = EAA91 = 6AL5 = CV140
Similar Tubes
Other class quality (otherwise equal):
  M8079

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
  d77.gif
  D77: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
d77~~1.jpg
D77: FC
Frank Cuffe

 
d77.png
D77: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 
d77_1.png
D77: own collection
Peter den Boer


Usage in Models 1= 1948 ; 1= 1949? ; 4= 1949 ; 1= 1950?? ; 10= 1950 ; 1= 1951? ; 3= 1951 ; 3= 1952 ; 7= 1953 ; 1= 1954? ; 5= 1954 ; 7= 1955 ; 1= 1956? ; 4= 1956 ; 1= 1957 ; 4= 1960? ; 1= 1960

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):55


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