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In Reply to: RE: Why Halcro...? posted by A.Wayne on February 23, 2015 at 13:55:56
I found it to have a very unnaturally lean tonal balance lacking harmonic richness like you hear with the real thing. It was all bones and no meat. Think tundra in winter.
Which is how I find many amplifiers that use prodigious amounts of "corrective" NFB and also why I'm not a fan of switching amps.
Follow Ups:
E-Stat,Thanks for the response, Was that consistent with all speakers or just on panels/ dipoles ..? As to NFB, I'm not totally disagreeing, but, isn't that the same as saying , amplifiers with High THD sound natural to you ..:)
We all have our "things" to look at when we select, for me, wimpy high -z drive only amplifiers, just sound wimpy to me, so i stay away from amplifiers that wont exhibit true voltage source into low-Z.
Regards..
Edits: 02/23/15
Was that consistent with all speakers or just on panels/ dipoles.
Driving Nola Grand Reference at Sea Cliff which is really neither.
but, isn't that the same as saying , amplifiers with High THD sound natural to you ..:)
Everything's relative. I find the quality and spectrum of distortion more important than the quantity below certain thresholds (1-2%). Companies like Ayre and Pass make low distortion amps using zero feedback.
High NFB designs tend to cascade their distortions in very non-linear ways using multiple stages. Fortunately, it's usually very easy to spot those designs as they have unnecessarily high damping factors.
Again, Not disagreeing with you about high NFB amplfiers, a balance is necessary, too much versus too little, is the Ayre no NFB or low NFB, many like to say none, when it's not ...
Fully "balanced" high NFB amplfiers can sound good, single ended not .
Regards..
Edits: 02/23/15
I believe like many of Nelson Pass' designs, the Ayre MX-R uses no global feedback, only small amounts of local feedback. Like my '81 Stasis.
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