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When I first got into tube amps way back in the early 90's I remember how great those vintage amps sounded. The sound of a bloated bass in a nice warm way, a full out of proportion midrange and a treble that could be described as soft or even rolled off at the very top end (like above 15k or something).
Odd but am I simply remembering worn out amps and tubes????
Later on when the upgrade bug bite me I started to noticed that upgrading and restoration was basically trying to get rid of that sound. Soooooo - is that what that sound was?????
Now I have an old (model) amp with a new design, a fantastic set of tubes and parts with newer material technology. I'm good!
Follow Ups:
Advances in materials science over the years has benefited us in many ways, and tube amps have seen their share of those benefits too. Modern caps and resistors have, IMO, gone a long way to cleaning up some of the issues you mentioned.
"The sound of a bloated bass in a nice warm way, a full out of proportion midrange and a treble that could be described as soft or even rolled off at the very top end (like above 15k or something)."
High quality tube amps in good condition absolutely do not sound like that. They beat the crap out of SS for clarity and nuance, and they are anything but bloated and rolled off.
--------------------------
Buy Chinese. Bury freedom.
And with modern materials for Caps and Rs, SR SS rectifiers, really high storage PSU's, they can be even better still.Then there's SS for delaying the HT / B+, and for CCS's.
One can even rethink a classic circuit, replace any high-gain small signal tubes with Low-gain high GM items -> lower the NFB in the circuit and come out with an even better sounding amp.
And, do it all without buying Chinese parts.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
Edits: 11/18/16 11/18/16
I think my VTA kind of got that point. I can't imagine much more sound improvement than what I already have now.
Yeah maybe. But what made it sound so good was the even worse sounding, cold, 2 dimensional SS amps.
I remember my first tube amp, a Fisher 800 receiver. I also had a NAD SS receiver on the same rack and would often switch back and forth to hear the differences. That NAD was the last piece of SS gear audio amp that i bought.
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