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CV8297 triode pentode

Size This valve measures 76x19mm overall and has a B9A base.

The triode section of this valve is intended for use as an AF amplifier, and the pentode as an AF power amplifier. This is the CV equivalent of the ECL86.

Heater voltage 6.3V
Heater current 660mA
Max anode voltage (Ia=0) 550V
Max operating anode current 300V
Max anode dissipation (triode) 0.5W
Max anode dissipation (pentode) 9W
Max screen voltage (Ig2=0) 550V
Max operating screen voltage 300V
Max cathode current (triode) 4mA
Max cathode current (pentode) 55mA
Max screen dissipation 1.8W
Max peak screen dissipation 3.25W


Pin Function
1 Triode grid
2 Triode cathode
3 Screen grid
4 Heater
5 Heater
6 Pentode anode
7 Pentode cathode, suppresor grid, shield
8 Control grid
9 Triode anode

See Frank's site for full specs.


This file was last modified 23:10:38, Wednesday February 23, 2022