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CV1698 / POVT148 tetrode

This valve measures 116x40mm overall and has a B7 base.


Heater voltage 3.33V
Heater current 1.4A
Max anode voltage 250V
Max screen voltage 250V
Mutual conductance (Va=Vg2=120V, Ia=2.5mA) 4.6mA/V


Pin Function
1 n/c
2 Anode
3 n/c
4 Heater
5 Heater
6 Cathode
7 Screen grid
TC Control grid


CV1698 CV1698

LHS CV1698 valve donated by Bryan Lonsdale, POVT148 donated by Mike Hiscocks

This file was last modified 23:10:17, Wednesday February 23, 2022