Virtual Valve Museum
Virtual Valve Museum | Search: (use * for wildcard)
About the museumMuseum exhibitsSupportersDocumentsLinks to other sites, suppliers etc.

CV2017 HF pentode

Size This valve measures 54x22mm overall and has 8 connections including one to the central spigot.

This valve is a CV2209 with tags welded to the pins and fitted with a disc. See also CVX2209.

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


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



Rear view showing original markings
Markings on the valve indicate it to be CV2209 - usually this is crossed out on these modified valves.

Bottom quarter view

This file was last modified 23:10:19, Wednesday February 23, 2022