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In Reply to: RE: Older ARC amps were a bit flaky posted by Dman on October 16, 2014 at 11:24:14:
I ran a double blind A/B/X test using a H-K Citation II (McShane mods) and a Forte 4a (Soderburg mods) in my listening room with the help of friends. Both amps were tested for THD, noise and IM and found to be within spec, that is to say, below 0.1% thd and IM at the listening levels employed, and noise was at least 90 dB down from listening level. Quad ESL-57's were used as the speaker, source was a Cambridge Audio DAC MAGIC playing FLAC files made from Red Book CDs.
Levels of the amps were matched within 0.1 dB at mid band for the test.
Several people could identify the amplifier that was playing 90% of the time.
This result would not be possible if "all amps sound the same."
Science doesn't care what you believe.
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Follow Ups
- RE: Older ARC amps were a bit flaky - triamp 16:35:04 10/16/14 (1)
- Well, we all know Middleground (he started that part of the thread!)... nt - Dman 09:02:15 10/17/14 (0)
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