Virtual Valve Museum

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CV4035 reliable double triode

Size This valve measures 53x19mm overall and has a B9A/F base

See also CV4004 which is the pinned version of this valve. This valve is based on the CV492.

Heater voltage 12.6V
Heater current 0.15A
Max anode voltage 330V
Max anode voltage (Ia=0) 550V
Max heater-cathode voltage 200V
Max anode dissipation 1.1W
Max cathode current 20mA
Mutual conductance 1.6mA/V
Amplification factor 95
Anode impedance 59k ohm
Max bulb temperature 200C
Max shock (short duration) 500g
Max acceleration (continuous operation) 2.5g
Max negative grid voltage -55V
Max peak negative grid voltage -200V


Lead Function
1 Anode 2
2 Grid 2
3 Cathode 2
4 Heater
5 Heater
6 Anode 1
7 Grid 1
8 Cathode 1
9 Heater centre tap