CV55 millimicropup triode
The prototype of this valve is E1190. See also CV155 which is a version of E1190 selected for greater emissions.
The temperature of the anode and grid seals must be kept below 140C. Forced air cooling is necessary, a flow of approx 4 cubic feet/minute is recommended.
The serial number 1747W is marked on the anode block.
This file was last modified
10:14:03, Thursday April 14, 2022