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12.4.185.2
In Reply to: RE: Older ARC amps were a bit flaky posted by Mechnutt on October 16, 2014 at 11:03:34
Preamp is a Flemming Audio Labs custom made pre- phono stage is 3 12AX7s, line stage is 6N1P and a 12AX7 as a cathode follower. Nice and full sounding with NO harshness whatsoever.
Guess I should have added that in the O/P... On the other hand, my system is in Inmate Systems...
Cheers,
Dman
Analog Junkie
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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."
nt
Dman
Analog Junkie
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