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In Reply to: RE: Carver 't' amps vs. CJ Premier 4 or 8 posted by erik_sq on October 26, 2016 at 09:36:31
I don't know about the production T amps. But I spoke with Gordon Holt about the Stereophile test and Gordon said the amp Bob modded sounded just like the tube amp used as a base.
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The only thing Carver did was to add a low value resistor in series with the output of the solid state amp. A one ohm resistor brings the damping factor of his amp down to the level of a typical tube amp output impedance. I think long term listening would have disclosed differences that an a/b comparison sometimes obscures.
He did the same thing on one of the outputs of his Sunfire amp.
The resistor would only increase the output impedance of the amp which would make it interact with a speaker like a low damping factor amp like a tube amp. But Carver made his amp sound just like the reference amp. And I confirmed the Stereophile article directly with Gordon Holt. So I suspect there was more than just a resistor added.
But Carver does add a series resistor option in some of his amps . The current outputs on the Sunfire a good example.
Apparently Carver noodled away for a day or longer, 'nulling' the amps against one another which implied they sounded the same to probably 70db down.
Much more than a simple resistor added to the outputs.
Too much is never enough
Yep, that's pretty much what the article said. I post it here.
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