Virtual Valve Museum

Virtual Valve Museum

HomeFull List

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

CV6137 / 4CX250B beam tetrode

Size
This valve measures 61x40mm overall and has an 8 pin base

Heater voltage6V
Heater current2.6A
Min heating time30 sec
Max anode temperature250°C
Max seal temperature250°C
Max anode voltage2kV
Max screen voltage400V
Max usable frequency500MHz

This valve is rated at 400W CW output to 175MHz and 250W CW at 500MHz

PinFunction
1Screen grid
2Cathode
3Heater
4Cathode
5Do not use
6Cathode
7Heater
8Cathode
TCAnode
RingScreen grid
Base spigotControl grid

CV6137 / 4CX250B