Tube of the day (24.05.2017)
EL 504
powerpentode
Heater : indirect; Uf = 6.3V; If = 1.35A
Maximum Ratings : Ua = 250V;Uas = 7kV;Ug2 = 250V
Pa = 16W;Pg2 = 4W;Ik = 250mA
Measured Data: dynamic
Ua = 50V;Ug2 =200V;Ug1 =-10V;Iam = 420mA;Ig2m = 37mA
applications : pentode for linedeflection stages . 6.3v production of the pl 504
 1  g1  9  -   
 2  g1  10  a   
 3  k,g3      
 4  f      
 5  f      
 6  g2      
 7  g2      
 8  k,g3      
  B9D pin connections