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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Ah HAH. Now we're getting somewhere. posted by Presto on April 13, 2007 at 15:09:07:
It seems to me that one of the chief reasons many tube amps sound different is that many of them have a high output impedance, which varies with frequency, to make things more complicated. Many of them simply do not have a flat FR into many speaker loads. Stereophile began including this in their measurement "suite" a few years later, I think. My favorite example is linked below from the BHK Labs measurements on the Soundstage site.The first time I saw this pointed out was in an article by E. Brad Meyer in Stereo Review for June 1991 which can be found at the following URL:
http://www.soundandvisionmag.com/features/651/the-ampspeaker-interface.html
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- Re: Ah HAH. Now we're getting somewhere. - Pat D 08:12:37 04/14/07 (0)
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