Wizard wrote:
I see everything is made in Russia, China or Slovakia ...
The (now former) USSR military continued using valves long after the West stopped using them (cost to retool and they are the only electronic tech that can withstand the EMP of a nuclear blast). Also, these days environmental regulation is too strict in other countries to get away manufacturing valves in them.
matta wrote:
That is a great document! It is interesting because my real worl/audible listening tests, at least to my ears, revealed the same findings as the author did RE JJ and Sovtek's.
+1. Generalises a bit on the NOS stuff though.
There are also some good, if a bit dated reviews available at
http://www.watfordvalves.com/reports.asp