Tubes Versus Solid-State Audio Amps—The Last Word


I just ran across an interesting 2-part article published in Electronic Design Magazine (one of engineers subscribes to it). I'm not saying that I agree or disagree with the author's conclusions. But I think that it's a good primer into the mysterious and opinionated world of audio amplifier design.

Why do Tube Amps and Solid-State Amps Sound Different? Part 1
Why do Tube Amps and Solid-State Amps Sound Different? Part 2

Warning: it's a long read and it's technical. The best summary is an excerpt from a response posted by the author:

"The startling realization was that when we took the same type of push pull amplifier used in a basic tube amplifier and replaced the tubes with properly biased and padded solid state devices, the sound was very comparable, which leads us to believe that there's more at play than just the stuff happening in the pn junctions of the solid state devices VS the stuff happening in the vacuum space in the thermionic devices."
br3098

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