Virtual Valve Museum

Virtual Valve Museum

HomeFull List

This is an archive website. It will not receive any updates, additions or corrections.

CV181 double triode

Size This valve measures 103x45mm overall and has an octal base

This triode is a modified NR73.

Heater voltage 6.3V
Heater current 950mA
Max anode voltage 330V
Anode current * 6mA
Mutual conductance * 2.3mA/V
Amplification factor * 32
Anode impedance * 14k ohms
Max anode dissipation (per side) 5.5W
Max cathode current (per side) 27mA
Capacitances
Ca1-a2 0.8pF
Triode 1
Cag 4.3pF
Cgc 4.3pF
Cac 1.6pF
Triode 2
Cag 4.3pF
Cgc 4.3pF
Cac 1.4pF

 

Pin Function
1 Grid '
2 Anode '
3 Cathode '
4 Grid "
5 Anode "
6 Cathode "
7 Heater
8 Heater
CV181