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815 / CV2663 / VT287 dual transmitting beam tetrode

Size This valve measures 110x50mm and has an octal base

 

Heater voltage 6.3 / 12.6V
Heater current 1.6 / 0.8A
Max output power 20W
Max operating frequency 150MHz

 

Pin Function
1 Heater
2 Control grid '
3 Cathode
4 Screen grids
5 Heater centre tap
6 Cathode
7 Control grid "
8 Heater
TC1 Anode '
TC2 Anode "
CV2663
Above: 815 / VT287 also branded CV2663 by Mullard
Below: 815
815

815 (lower picture) donated by Peter Sables

This file was last modified 15:38:35, Saturday November 12, 2011