Cryo-treating CDs?

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Cryo treating CD's absolutely works (either pre-recorded or blanks).
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Audio Top CD treatment is well worth the money and effort (as is Vivid, but Audio Top is clearly better than Vivid).
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Furutech's Demagnetizer is well worth the money and also makes a significant improvement.
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I always use Audio Top and Furutech's Demagnetizer on all of my CD's and I burn copies of favorite CD's on cryoed blank CD's.
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Rgds,
Larry
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A friend who's opinion I respect, has experimented with both Cryo and demag treatment of his CD's and reports great benefit sonically. He says it improves smoothness and textures while making everything more cohesive.

I have not tried this myself, so I cannot speak from personal experience. If you do this test, please share the results.

I've had all my CD's cryoed for about the past 2 years; I have a cryo vendor located about 15 minutes away so it's pretty convenient. Smoothness and transparency, easier to follow bass lines, etc, etc. are noticeably improved. The effects seem to be more noticeable on particularly aggressive CD's, but sound is improved even on well recorded discs.

Apparently there is a dealer in Toronto selling cryoed blanks for $5 each because well burned copies on the cryoed blanks sound better than the originals. I don't do any burning/copying so can't comment on that.