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Class A amplifiers

I was watching YouTube reviews on Hifi and one guy said if you like Class A amps you have to accept that every 3 or 4 years you have to send them in to get serviced Becasue the heat inevitably causes issues? Is this true? I have a friend with an older Maek Levinson Class A amp and he was looking to sell,it to me, and am just wondering if Class A amps are like a boat, always costing you more . Anyone?
bear1971
tennisdoc56
128 posts
 
Went to buy a tube amp and wound up buying an esoteric class a.  Loads of heat and have heard horror stories about having to send it to Japan for service 
speakermaster
738 posts
 
The amount of maintenance is overstated for sure but a lot of them do run hot and there can be problems with them due to over heating but a good class a amp can sound great.
emrofsemanon's avatar
emrofsemanon
292 posts
 
a simple question from a simple man- how MUCH clearly audible difference, is in the sound quality of an SET, versus any other class-A amp? what are those who use high-efficiency speakers in smallish rooms hearing in an SET that they can't get from other Class A designs?
david_ten
5,480 posts
 
magic...a simple answer from a simpleton. : )

what are those who use high-efficiency speakers in smallish rooms hearing in an SET that they can't get from other Class A designs?


My two cents, flip the questions around. Focus on yourself.

What is IT that you get from .... ? 
wturkey's avatar
wturkey
768 posts
 
If properly ventilated, class A amplifiers will live a very long and healthy life. Mo ventilation, Mo better. 
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