13-11-2016, 01:26 PM
It's quite basic. Too simple really. A typical magazine article.
Valve testing is useful, but simple testers were really only of value when brand new valves existed.
As I wrote before, Tektronix had an article as to why they could be misleading.
That's why today something more advanced like an AVO VCM163 or especially an electronic curve tracer, such as Dekker's uTracer is more useful.
A known good radio or amp may be more useful to you.
Valve testing is useful, but simple testers were really only of value when brand new valves existed.
As I wrote before, Tektronix had an article as to why they could be misleading.
That's why today something more advanced like an AVO VCM163 or especially an electronic curve tracer, such as Dekker's uTracer is more useful.
A known good radio or amp may be more useful to you.
