John Curl's Blowtorch preamplifier

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It depends on the goal of the double blind test; in the case of MP3, I suspect it's a matter of "good enough for most" rather than "perfect for everyone."

If you're implying that it's me who's sonically discriminating, remember that I use Home Depot orange extension cord for speaker cables.😀
 
john curl said:
Now, there is a subset of people, usually highly educated, who cannot hear any differences between different wires, etc. This is part of their pathology, not mine.

This is to funny, John :rofl:

If the statement "people who cannot hear any differences between different wires, etc. are usually highly educated" is true, then according to the tertium non datur logic principle, the opposite is true as well, which sounds "rednecks can usually hear some differences between different wires, etc.".
 
john curl said:

Joshua_G, I don't know where we are going on this, but I believe in what I hear,


So do I.

john curl said:

Well, what do you want, fellow audiophiles? Do you want to believe, from higher authority, that there are no significant differences? If so, please don't pay a penny more for your audio products, and seriously consider MP-3 as your sound of choice. Why pay more?
🙂
 
john curl said:

Now, there is a subset of people, usually highly educated, who cannot hear any differences between different wires, etc. This is part of their pathology, not mine.

I don't think you meant to say that these people are suffering from some sickness (that's what you said though). Are we really back to the people who do are observing the facts of the world correctly and those that don't are suffering from any one of several psychlogical maladies or self delusions?
 
john curl said:

The problem is that AFTER the ABX test, the different components resume having audible differences, even if the test 'seemed' to show that there was no significant difference.

One thing about Blind listening test:

1. If difference is perceived beyond doubt (much higher than guessing score)
by repeated test, it can be considered a proven difference
and that this difference can be heard, perceived
.

2. If not a valid statistical difference (score is close to score of guessing)
this does not mean there is no difference.
Not even will it tell that this difference can not be perceived.
------------


So, if you claim that you can hear a difference,
a blind listening test can confirm your claim is a valid statement.
And if your statement is valid and applies to other persons as well.

The test can not rule out 100% that your statement of hearing difference is true.
Can only say there it is an indication in direction, that your claim is not valid.
 
john curl said:
The tentative reason that some highly educated people cannot hear audio differences is because they listen almost entirely with the left side of their brain, rather than the right side, or both sides. This is speculative, but it makes sense to me.

I have seen trained musicians not be able to hear the difference between a common source JFET and TL071 on their pickups, with their own instruments and after all the time they wanted to practice in their own environments and play gigs.
 
There is no question in my mind that my system sounds sweeter when I am in a good mood than it does when I am in a bad mood.

If knowing I have special wires in my preamp or going from my amp to my speakers puts me in a good mood, have the wires made my system sound better? If you put me in a bad mood by telling me that the special wires have no effect and my system no longer sounds good because I am in a bad mood have you done something good or bad for me?

I am not trying to say that this is the explanation, but it is an example of a possible phenomenon that would not pass a blind AB test yet would represent a real result. It is not predictive of what someone else might perceive since the wires might not put them in a good mood.

Personally I cannot hear any difference between speaker wires or interconnects, but I will keep trying and I will never say never. Maybe it's my masters degree that's caused a pathology in my hearing.

And by the way I can perceive a big difference between my Porsche and my wife's BMW, but the differences are also measurable.
 
lineup said:

So, if you claim that you can hear a difference,
a blind listening test can confirm your claim is a valid statement.
And if your statement is valid and applies to other persons as well.


Each and every piece of my audio gear, from speakers to interconnects, I chose by blind listening tests, but not ABX tests. I chose what sounded good to me, usually without knowing brand, model and price. Unfortunately, it did cost me a lot … for cheap items didn't satisfy me.
 
scott wurcer said:


I have seen trained musicians not be able to hear the difference between a common source JFET and TL071 on their pickups, with their own instruments and after all the time they wanted to practice in their own environments and play gigs.


I have dated for a while a musician, a conductor, who couldn't care less for stereo set quality. At home she usually listens to music from a PC connected to simple PC speakers. She hears, or reconstructs, the music in her mind – not through the speakers.
 
LHMAudio said:
There is no question in my mind that my system sounds sweeter when I am in a good mood than it does when I am in a bad mood.

If knowing I have special wires in my preamp or going from my amp to my speakers puts me in a good mood, have the wires made my system sound better?


Well, I choose audio gear by blind tests, in the same mood, without knowing its cost.
 
scott wurcer said:


I don't think you meant to say that these people are suffering from some sickness (that's what you said though). Are we really back to the people who do are observing the facts of the world correctly and those that don't are suffering from any one of several psychlogical maladies or self delusions?

Scott,

JC and his disciples are claiming that there is a subset of "Gifted People" that, for whatever reasons, are able to hear differences between cables, etc... The size of this subset doesn't really matter. They think everybody else should listen to them and follow their guidance, because if one doesn't hear a difference it's his problem, it doesn't mean differences don't exist. It only means that his hearing abilities are under the required threshold. Occasionally, they also claim it is possible to train your hearing and eventually join the subset of "Gifted People".

Sounds familiar to me 😀
 
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