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CV3889 pentode

Size This valve measures 76x21mm overall and has an 8 pin base.


Heater voltage 6.3V
Heater current 710mA
Max anode voltage 250V
Max screen voltage 250V
Max anode dissipation 9W


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

This file was last modified 23:10:27, Wednesday February 23, 2022