On Thu, 12 May 2016 12:58:01 +0100, Jim Lesurf
wrote:

Just to let people know I've added some examples to the 'valve era' page at

http://www.audiomisc.co.uk/Armstrong.../ValveEra.html

Jim

Just had a quick skim. Did I read that right? You have to buy and fit
your own output transformer. If that is really so, I can see why there
is no overall NFB.

d

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