Avo Valve Data Manual

[pwdrive]

11th Edition, also contains switch settings for the two panel tester (AVT) for some of the more modern valves:

http://www.jacmusic.com/Tube-testers/AVO/avovalve.pdf

Lawrence.

[Andy M0FYA]

A couple of later Editions are available here, along with a lot of AVO valve tester information-= -

http://frank.pocnet.net/instruments/AVO/index.html

Andy