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set vs otl, which is the most musical

Set and otl amps are almost opposites in terms of many aspects of circuit design. Which of the two designs is the most musical (define musical in your own terms as there is likely not to be a universal definition acceptable to all). Which do you prefer and why?
rontaylor

Showing 1 response by swampwalker

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swampwalker
5,138 posts
 
I am not a techie, but I think that Howard has put his finger on one of the heat issues. I could be wrong, since I have no personal understanding of circuit design, but I think that large number of output tubes needed for an OTL design, along with the Class A operation, contributes to the heat load. And then all of those driver and input tubes. My Atma M60s each have 12 tubes (so thats 24 for stereo) and my Joule VZN-80 has 16 tubes total (including 8 of those Russian monsters). Put it all together and the heat is an issue, but one I have chosen to live with.
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