http://audiolifestyle.blogspot.com/2015/03/amplifon-set-140.html
http://www.monoandstereo.com/2015/02/amplifon-set-833a-power-amplifiers-new.html
30 years in tube audio projects, 3 years time of monoblocks 833A project, 1 year time of produce, tests, warm up etc, and now we have the best...