This running thread at ASR is from the person who developed the Delta Wave null comparison software
https://www.audiosciencereview.com/...test-deltawave-null-comparison-software.6633/
Ah yes the old 'your system isn't good enough' line.
Now this is getting silly.
This part I agree with, although I might have chosen a different adjective.
Maybe test the test software first? Take a hi-res 24/192 recording, add completely a different hi-res recording at -100dB or lower level and compare it to, say, a clock drift-based time warped version of the original recording.
If a high res file was buried at -100dB or so using 32-bit resolution, then the difference file should be a reasonably pristine version of the low level hi-res file. Is it? How far do you have to take it to find the limits of the comparison program? What are those limits?
Bill, maybe it isn't. I don't know, and you don't know my system either. Please do visit next time you are in the area, as you are always welcome 🙂
If enough return current is going down the protective earth line to have an audible difference if you change something then there is something badly wrong with your system. In single ended systems 'some' return signal will take that PE route but there are ways to control and minimise that. Or be smug and run everything differential.
On the subject of magic cables and burn in I personally stick with the simplest solution is most likely. Look at the mark up on power cables and burn in boxes and that solution does seem to pop out.
By all accounts the software has been in use for several years. That said, first tests might not be definitive.
The only way to win is to play.
That means implementing the tests by the chaps who hear the differences in their systems.
On the other hand tombo's hypothesis bears inspection: treat this issue -- "my power cord sounds funny" -- like a fault: provide system details and photos and answer any and all questions of the membership.
Maybe the "burn-in" issue is a matter of catastrophic fault currents (maybe that's how them thar devices work eh)
The only way to win is to play.
That means implementing the tests by the chaps who hear the differences in their systems.
On the other hand tombo's hypothesis bears inspection: treat this issue -- "my power cord sounds funny" -- like a fault: provide system details and photos and answer any and all questions of the membership.
Maybe the "burn-in" issue is a matter of catastrophic fault currents (maybe that's how them thar devices work eh)
mhenschel My system will not solve the question. I hear differences in power cords with every system that I have heard them in. Friends systems, dealers systems, systems at audio shows. Its not just my system. I once asked the Nordost rep at a audio show which cable on theirs makes the most improvement in a system and he said the power cable, it makes the most difference.
And of course the rep from a cable company will tell the truth every time...
@Rick
At that rate you should make yourself available for personal demonstrations.
But seriously, your system is at your place. You can crack open the case and let the chaps take a look. It can't hurt. And it just might go a long way to putting this divissive issue to bed. Or not...
At that rate you should make yourself available for personal demonstrations.
But seriously, your system is at your place. You can crack open the case and let the chaps take a look. It can't hurt. And it just might go a long way to putting this divissive issue to bed. Or not...
What do I win if power cords make a sound difference, and what do the people that say it cannot matter win?
Only one thing ego food.
I really wish power power cords did not make a difference!
Its not just me, look at Jay's audio lab on Youtube, many people in the comments can hear the difference over YouTube audio, how about that!
Ok I have a Luxman D-03x CD player analyze that, it responds to power cord changes.
OK. I assumed that your equipment was hand-built. This is diyaudio after all...
(gotta go... Christmas dinner is almost on the table)
Well lets look at options
1. the test is rigged as he is a business and has stuff to sell
2. The test was done amateurishly so there are differences but not due to the cable change
3. unplugging and replugging the same cable can make a difference due to contact oxidation
4. Youtube comments sections are full of deluded fools
5. you can pay people to post youtube comments for you
Any of the above are more likely than the cable actually made an audible difference...
My view of your numbers;
1 He does not sell the power cables he tested.
2 No, not Jay, people have brought this question up and he shows what he does to make the tests.
3 This can happen, but Jay is unplugging cables all the time to compare them, not much time to build up ox
4 This is your option, I'm sure the people posting comments would not agree with you at all!
5 then Jay is paying lots and lots of people, I don't see this as being real, not enough ROI. Sounds like a Conspiracy.
If you feel your points are true, you can buy a cable from some company like Music Direct on a credit card and try it for up to 60 days and you can return at no charge, and free shipping! Then you can hopefully hear what other people are hearing.
https://www.jaysaudiolab.com/product-page/organic-line-cable-elevator
🙂
😱
💩
https://dreamaudio.eu/en/produkt/cable-elevator/
only 490 euros, a bargain!
🙂
😱
💩
https://dreamaudio.eu/en/produkt/cable-elevator/
only 490 euros, a bargain!
That idea, a slight variant thereof, was suggested to me by the editor of LinearAudio when we conducted the power supply regulator listening test.
I have a pair of identical mono-block amplifiers and will happily put them to the test if someone will forward me the power cables which I promise to return.
I have the equipment to perform the test...we can even reverse the mono-blocks and confirm or deny the results. Will be happy to engage a volunteer from the DIYAUDIO community to witness the setup and results!
Is it really? Maybe I didn't make the point strongly enough before that if you really want check someone's claim like Rick's, you have to measure under the conditions that existed when Rick was listening. Otherwise, you may find some equipment that behaves differently and then try to extrapolate a negative result to all other possible cases. That would be bad logic and bad science. OTOH if jackinnj amps do exhibit some difference in sound, it could be great opportunity to measure what is really going on.
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