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In Reply to: RE: Perhaps accurate for those who listen to posted by E-Stat on December 11, 2014 at 12:34:55
JA performs a number of different measurements on the Bryston 7B SST2, including a square wave measurement.
As for the inadequacy of using sine wave for measurements, you are whistling in the wind as far as I can tell.
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"A fool and his money are soon parted." --- Thomas Tusser
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E-stat complained about measurements made with sine waves, though without a shred of evidence that would invalidate the measurements. I pointed out the JA provides a square wave response, illustrated by his measurements for the Bryston 7B SST2, mentioned above.
So you think the 4B SST2 would not similarly have a good square wave response? That can be predicted by the FR measurements as JA remarked in his review of the 7B SST2. Look at Chart 1 from the Soundstage BHK Labs measurements of the 4B SST2: less than 2 dB down at 200 kHz.
I have never heard the alleged hardness of Bryston amplifiers. Many thousands who buy them seem to like them. Now, if you or Michael Fremer showed you could detect the hardness in controlled DBTs, that would give some credibility to your claim. That's one reason I don't give subjective reviewers much credibility when they talk about the sound of accurate electronics.
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"A fool and his money are soon parted." --- Thomas Tusser
...if two independent audiophiles whose ears I respect describe the same sonic signature to an amplifier that I hear, then it is an accurate assessment.
If you can't hear it, I'm not surprised.
In my own experience, I find DBTs to be pseudoscientific and worthless with audio equipment but scientifically valid for the new drug clinical trials in which I've participated.
You can use any method you like to select your equipment as long as you don't proselytize about it to the rest of us.
For some, ignorance of the truth is bliss.
"You can use any method you like to select your equipment as long as you don't proselytize about it to the rest of us."
Oh, I see! You can proselytize but I can't. Subjectivists can say anything they like, but it's not fair to be skeptical. Sure, sure.
On the other hand, you seem to think I proselytize about how to select equipment. How do I do that? I suggest people buy equipment they like. How is that proselytizing?
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"A fool and his money are soon parted." --- Thomas Tusser
Simple, you would think. Okay, since we know that there will be no converts, why can't everyone retreat to their respective corners, leer at reach other and go on with their own business...and perhaps, even enjoy music?
JA performs a number of different measurements on the Bryston 7B SST2, including a square wave measurement.
Yeah, that tells us absolutely everything about the performance envelope, doesn't it? LOL! It does, however, rule out switching amps since you always see considerable "fuzz" on their plots.
As for the inadequacy of using sine wave for measurements, you are whistling in the wind as far as I can tell.
And we already know you can't *tell* very far. I really don't understand such a persistent reliance upon such sketchy and incomplete metrics. At the expense of confusing the issue with facts, let's revisit what JA says about the "scope" of measurements with the review of the Ayre KX-R Twenty line stage:
All of the first-order sonic attributes—frequency balance, linearity, lack of coloration, etc.—are beyond reproach, which means one needs to focus on such higher-order qualities as the presentation of the soundstage and the accuracy of the imaging, neither of which can be measured.
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