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CV9 power pentode

CV9 size The valve measures 145x45mm overall and has a 7-pin base. Top cap is anode connection.

Equivalent to AL60

Heater voltage 4V
Heater current 2.1A
Max anode voltage 800V
Max anode dissipation 18W
Max screen voltage 275V
Max screen dissipation 3W
Mutual conductance 14.5mA/V
Anode impedance Va=Vg2=250V;
Vg1=-7V
20k ohm
Anode current 72mA
Screen current 8mA
Capacitances
Cag 0.75pF max
Cae 9pF
Cge 17.7pF

 

Pin Function
1 Metallising
2 Control grid
3 Suppressor grid
4 Heater
5 Heater
6 Cathode
7 Screen grid
TC Anode

 

CV9