Thanks for the info. I'll certainly keep it in mind if I buy or resell any
old CD's. I believe there are lots of people who still don't know about
this. See also my reply to Mike, also posted today for more comments.
At 12/6/2006 11:50 AM -0800, you wrote:
>This is all very old news,that has been discussed for years since the
>early 90s,in regards to CDs.I can't speak for DVDs,but I would imagine
>it's very similar.I first read about this probem, in "Goldmine",and "The
>Absolute Sound",two magazines well known for their anti-CD bias,where it
>was discussed extensively.There were pro-CD advocates,who called us
>alarmist and luddites,but the increasing number of CDs from the 80s,that
>are now unplayable bear us out.
>I have tried selling older CDs ,on eBay,and I must say it's a crap
>shoot.Earlier this year,I sold one of those pre-1986 Columbia Paul
>McCartney CDs,pressed by Sony in Japan.It was returned to me as
>unplayable.Before I tossed it out,I popped it in my computer to play
>it.Indeed there were large sections of the CD,where there was dead
>silence. Comparing the surface to a new CD,there was indeed subtle,but
>noticeable discoloration.Was this caused by oxidation,or electronic altering ?
>The collector CD market is going under,but it is still there for now. I
>would never recommend selling an older CD without playing it
>first.Lamination peel,and leaching of paint into the disc's playing
>surface are both very common problems.
>I remember encountering the latter problem as long ago,as 1989,when I
>worked in a record store,and bought used CDs.
>The archival quality of gold as a medium,is well established,and companies
>who make audiophile CDs that sell for 4-5 times what a regular CD
>does,have been using 24k gold on thier CDs,since about 1988-89 or so.
> Roger Kulp
Ron Frazier -- P.O. Box 2284 -- Cumming, GA 30028 -- 770-205-9422 (O)
Email: rwfrazier AT macdatasecurity DOT com (replace the AT and DOT by hand)
I am an independent consultant interested in exploring ways to archive data
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