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CV4012 / 5750 / 6BE6W reliable heptode

Size This valve measures 53x17mm overall and has a B7G base.

The prototype of this valve is CV453. See also CV2024 which is a modified CV453.

Heater voltage 6.3V
Heater current 300mA
Max anode voltage 330V
Max G2 and G4 voltage 110V
Max G2 and G4 supply voltage 330V
Max anode dissipation 1.1W
Max G2 and G4 dissipation 1.1W
Max cathode current 15.5mA
Max G1 current 0.5mA
Conversion conductance * 0.47mA/V
Anode impedance * 1.0M ohms
Conversion conductance at Vg3=-30V 10.0µA/V
Capacitances (measured with close fitting metal screen)
Cag3 max 0.35pF
Cin nom 7.5pF
Cout nom 13.5pF

*: At Va=250, Vg2+Vg4 = 100, Vg1=0, Vg3=-1.5

Pin Function
1 Grid 1 (osc)
2 Cathode and Grid 5
3 Heater
4 Heater
5 Anode
6 Grid 2 and Grid 4
7 Grid 3 (signal)