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Is this for real?

After flipping through the latest Musical Direct Catalog last night I saw some "system disc" products. Prices ranges from $19.99 to $109.99. These discs are suppose to send some sort of demagnetizing frequencies to clean out your system (speakers, components, and cables).

Has anyone tried these products and do the work? I wonder what will they think of next?
3chihuahuas
hdm
1,056 posts
 
"Demagnetize" is the word used on the disc I own and the word used in the review that Sam Tellig used in a December/97 Stereophile article relating to what the Densen disc did. I'm not really the technical type, so if "demagnetize" is incorrect terminology, to me that's just semantics; the important thing is that it works.
f1status1's avatar
f1status1
30 posts
 

Sheffield Labs  MDMS: System Conditioning And Degaussing CD from around 1997. I’ve been using this disc in cars, homes and studios for years. Every time and everyone has noticed an immediate improvement. You listen to the first four music tracks to set the volume at a ‘very high’ listening level, then play the remaining  tracks.  After it’s finished go back to listen to the first four tracks again. It works! I use it monthly/bi-monthly. I’ve never damaged a system or speakers by using it.  It has only ever made an improvement. 

berner99
214 posts
 
If even a couple of the numerous different tweeks which seem to work via unclear science are effective (and there are too many different ones with numerous people attesting to them to dismiss them all) then we know a lot less about certain areas of science then we think we do. NB: the fact that some of these are effective, does not mean the people selling them necessarily know how they actually work.

Perhaps the implications of these for our understanding of science is why people go ballistic at such discussions.
nonoise's avatar
nonoise
10,590 posts
 
I use the Ayre Irrational But Efficacious! CD to do it's work on my system.

It doesn't claim any demagnetizing features but uses brown, white and pink noise tracks in stereo, mono, in and out of phase, as well as full glide tones that cover the entire frequency on quick and slow tracks.

Using it occasionally has the same results as what's been claimed here: open, clear and clean sound with better dynamics and performance in all areas. It's like throwing a bucket of cold water on a sleeping animal to wake it up and get it moving (not that I'd do something like that).

All the best,
Nonoise
f1status1's avatar
f1status1
30 posts
 

Sheffield Labs  MDMS: System Conditioning And Degaussing CD from around 1997. I’ve been using this disc in cars, homes and studios for years. Every time and everyone has noticed an immediate improvement. You listen to the first four music tracks to set the volume at a ‘very high’ listening level, then play the remaining  tracks.  After it’s finished go back to listen to the first four tracks again. It works! I use it monthly/bi-monthly. I’ve never damaged a system or speakers by using it.  It has only ever made an improvement. 

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