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CVX2209 & CV2209 / 6F33 pentode

Size This valve measures 51x17mm overall and has a B7G base

NB the following information is for the CV2209:

Heater voltage 6.3V
Heater current 0.35A
Max anode voltage 300V
Max anode voltage (Ic=0) 550V
Max screen voltage 300V
Max screen voltage (Ic=0) 400V
Max anode dissipation 3W
Max screen dissipation 1.5W
Mutual coductance (Va=Vg2=200V; Vg3=0V; Ic=12mA) 4mA/V

The valve has a limiting diode internally connected to the suppressor grid

Pin Function
1 G1
2 Cathode
3 Heater
4 Heater
5 Anode
6 G3 + diode
7 G2

See also CV2017. CV4064 and CV4083 are based on this valve.




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