Lan noise reducer

hornetstinger said:
I have access to oscilloscopes, so if he's willing to send his "audiophile" mains block I can get them tested against an Aldi mains block
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If you believe a typical consumer mains block such as the Aldi one, is the same quality as the Russ Andrews blocks, then your incredibly naive.
 
Oscilloscope chad: offers to take the time and effort to use his scientific test equipment- built specifically for this purpose - in the pursuit of the advancement of human knowledge and the establishment of objective truths.

Virgin audiophile: "if u believe x then ur naive"

Hopefully don't take personally, it's just an old sort of cringe meme template I like to keep on life support.
 
Zefan said:
Oscilloscope chad: offers to take the time and effort to use his scientific test equipment- built specifically for this purpose - in the pursuit of the advancement of human knowledge and the establishment of objective truths.

Virgin audiophile: "if u believe x then ur naive"

Hopefully don't take personally, it's just an old sort of cringe meme template I like to keep on life support.
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Science? you dont need science all you need is one of these signature edition extension leads!



2k for a glorified extension lead?
 
Vince said:
Science? you dont need science all you need is one of these signature edition extension leads!



2k for a glorified extension lead?
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The person who buys this will have an audio system in the many 10's of thousands if not more. It will be using very high quality Kimber Kable, and constructed to high standard. I agree there will be a high mark-up on it, and the price is incredibly high.

You don't have to spend this amount of money to see gains however. The RA power bar I own cost me £65 including shipping from eBay pre-owned. There is one on eBay now for £69.

Audio improvements are the totality of many smaller improvements. You don't have to buy the premium products, but purchase better products and avoid junk in the audio chain.
 
Broken Hope said:
You do realise the differences you claim these devices make would substantially change the waveform of the audio and would be easily shown on a scope, funny how none of these companies provide this data though, isn’t it?

Imagine if any other branch of science made claims and just used fluffy language to justify it, soundstage, detail, more analogue, bunch of language that means nothing.

Companies would be laughed out of the room.
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I'm no electronics or audio engineer but I spent a lot of time building headphone amplifiers for my own amusement - a lot of the claims of "better soundstage", etc. are just different distortion and/or different noise/interference filtering profiles.
 
JasonM said:
The person who buys this will have an audio system in the many 10's of thousands if not more. It will be using very high quality Kimber Kable, and constructed to high standard. I agree there will be a high mark-up on it, and the price is incredibly high.

You don't have to spend this amount of money to see gains however. The RA power bar I own cost me £65 including shipping from eBay pre-owned. There is one on eBay now for £69.

Audio improvements are the totality of many smaller improvements. You don't have to buy the premium products, but purchase better products and avoid junk in the audio chain.
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Yea you see, madness. The person who buys this is off their rocker.
 
The irony is that ya'll hearing gets worse over time and at some point you won't even be able to hear whatever it is this equipment is supposed to do

Human hearing peaks at or before age 20, after that its all down hill and audio will never sound as good as it did at 20 no matter how many tens of thousands you spend
 
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Grim5 said:
The irony is that ya'll hearing gets worse over time and at some point you won't even be able to hear whatever it is this equipment is supposed to do

Human hearing peaks at or before age 20, after that its all down hill and audio will never sound as good as it did at 20 no matter how many tens of thousands you spend
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I'm not so sure about that. There's no doubt that my hearing isn't as good as it was in my 20s - I've got the normal drop in high frequencies with age, and some tinnitus, but the music / hifi sounds better. Technology has improved and my budget is bigger, but I don't feel that my hearing has significantly changed how I listen to or enjoy music. (So far, at least...)

What has definitely changed with age is my understanding of how powerful expectation bias is, and my tolerance for those that exploit it.
 
Mr_Sukebe said:
Chaps, just a thought, how about we run a blind test? I’d be happy to host for say 5-6 people.
My system is fairly decent and Jason could bring along a couple of RA items to show us.
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I reckon I could get some equipment on loan from the sound department at work which would show differences in sound produced, also in London most of the time
 
I’m in Surrey. Would need to be a Sat. I’m thinking late Sept or Oct.
I’ll put the limit at 5 attendees plus JasonM (hopefully he can attend).

This would need to digital only, using my system, which is a combination of Meridian source, BAT power amp and Impulse speakers.

Freshly ground coffee will be provided.

There will be a few provisos as the objective is to give a “fair hearing” to the RA gear. If you have determined pre-conceptions regarding the outcome, well it’s pointless turning up as you obviously know the answer.

Ie I expect you to be respectful of each other and you MUST arrive with an open mind that there “may” be sonic enhancements possible.
Happy to use a variety of music, but anything that I don’t have will need to be brought and uploaded to my server.

If it’s a nice day, I’ll lay on a simple BBQ.

If you’re happy with the above, first come first server basis for the 5 available places.
 
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As a slight Audiophile myself (Valve amp with vintage tubes) and custom built speaker cabinets, I get a lot of why some of this is important.

Crap cables will cause problems, and a cheap upgrade to something properly made for the job can make a difference to the sound.

What strikes me as odd is all the talk about removing noise from the power lines. I run a double conversion pure sine wave UPS on my amp to get clean power...that's all that is needed with half decent shielded cables. Without it my amp would be subject to large voltage swings (not good for valves heaters!) and there is definitely noise on my AC from the Powerline network which is very audible without the UPS.


I would be interested in testing things with an oscilloscope but it's just not a rabbit hole I've gone down yet.
 
I can't say I disagree, but I'd like to give him the benefit of the doubt, just incase he's correct. I don't believe it to be probable, but you never know.
 
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