ACT25 / CV436 transmitting triode, 13.5V/2.8A heater.
The serial number 31 is written on the valve.
See below for internal details of this valve.
*: At Va=1kV, Ia=250mAConnections: As shown in the main picture, the anode is at the bottom, the grid is the large ring, heater/cathode the smaller ring above and heater the top connection.
Disassembled ACT25 donated by Michael Porter
This file was last modified
14:54:43, Tuesday September 02, 2014