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Ayon vs. Mastersound vs. Vaic Tube SET

What is the relationship between Mastersound, Ayon, Vaic? Seems they've been using those names interchangeably. 

Also, I heard that Mastersound amps are notoriously unreliable because they create so much heat it causes the components to fail. Do they really have inherent design flaws? Also heard that their factory support is so poor which is why they're not well distributed in North America. I know there is only one dealer in Texas. 

If one is to acquire a mastersound amp, would there be any support in East cost NYC area? 
Does anyone know how the Evolution 845/ PF100 / Compact 845 from circa 2010-2013 different from Most recent model? Have they improved reliability ? 

Which Tube amps rival Mastersound ? 
ei001h

Showing 4 responses by ei001h

ei001h OP
300 posts
 
I am guessing once you're in exotic territory you're getting a product which performs at the highest level, but at the same time the very fact that makes them exotic makes them unreliable as well. Take for instance any supercar. The more exotic you get the more capricious they become. 
That is why most supercar owners prefer to get vehicles which have a local dealership for reliable service.  
ei001h OP
300 posts
 
I've heard Mastersound PF100 mono blocks about a year ago with SF Elipsa SE and spretto pre. To this day I'm haunted by that magic and astounding witchcraft. Without a doubt, that would be the last amplifier I would ever buy. 
ei001h OP
300 posts
 
I've seen quite a few amps on Audiogon labeled as Vaic and claimed to be made by Mastersound. 
ei001h OP
300 posts
 
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Many thanks for your excellent reply. One day I hope to be an owner of a Mastersound SET. If one is able to get their hands on a used amp, do you offer any kind of service contracts  or extended warranty? How are the evolution 845 from 2010-2013 in terms of reliability ? Would you say the newer ones that produce less heat are more reliable ? Are the parts readily available from the manufacturer ? I think I would be more comfortable knowing there is service tech/dealer somewhere on the east coast that would obviate shipping if the problems arise. 
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