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CV423 / 13D1 double triode

Size This valve measures 77x32mm overall and has an octal base.


Heater voltage 25V
Heater current 150mA
Max anode voltage 330V
Mutual conductance * 2.6mA/V
Amplification factor * 20.5
Max anode dissipation 2x 2.75W
Max cathode current 2x 20mA

*: At Va=250V, Vg1=-8V.

Pin Function
1 Control grid "
2 Anode "
3 Cathode "
4 Control grid '
5 Anode '
6 Cathode '
7 Heater
8 Heater


CV423 / 13D1CV423 / 13D1

This file was last modified 15:44:43, Tuesday September 02, 2014

  FOR SALE: Note that any valve which is not CV marked is now for sale. Contact me via email - see the home page.