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Rank: HIFI Guru
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Joined: 10/4/2008
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Location: Oxford
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Have just noticed that the foam layers common in 1980s CD boxes has in some cases disintegrated into a horrible sticky brown dust !!
Hans
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Rank: Administrator
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Joined: 9/19/2008
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Location: UK
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Togil wrote:Have just noticed that the foam layers common in 1980s CD boxes has in some cases disintegrated into a horrible sticky brown dust !!
Second that and have removed plenty from mine that have just started to turn, as I collect early discs I ask this question of sellers when buying discs.
"Quicquid Nitet Notandum"
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Rank: HIFI Newbie
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Joined: 6/13/2010
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Location: highlands
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I have a few Japanese cd's like that but the foam is still in excellent nick. Maybe depend on storage conditions.
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Rank: HIFI Novice
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Joined: 10/5/2009
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Location: England
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If you really want a nasty fright, pick out some of your older CDs and hold them up to a bright light. You may well see several small pinholes - or even a lot. Now panic. Once this process starts, your CD is doomed. As an early adopter I have several CDs in various states of disintegration. The best solution is to rip them, at full resolution, to your computer before they become unplayable. Even if you don't listen to music through your PC, you can at least burn a fresh copy of the CD.
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Rank: Administrator
Groups: Administration
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Joined: 9/19/2008
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Lorien wrote:If you really want a nasty fright, pick out some of your older CDs and hold them up to a bright light. You may well see several small pinholes - or even a lot. Now panic. Once this process starts, your CD is doomed. As an early adopter I have several CDs in various states of disintegration. The best solution is to rip them, at full resolution, to your computer before they become unplayable. Even if you don't listen to music through your PC, you can at least burn a fresh copy of the CD. Interested to see what discs you are having problems with? Pinholes tend to be as a result of manufacture, the problem with some CDs I have seen also results from manufacture, as an early pressing CD collector the main problem has been with CDs made by Philips and Dupont Optical (PDO) at their plant in Blackburn. Quote: CD bronzing seems to occur mostly with audio CDs manufactured by Philips and Dupont Optical (PDO) at their plant in Blackburn, Lancashire, UK, between the years 1988 and 1993. Most, but not all of these discs have "Made in U.K. by PDO" etched into them (see image). Discs manufactured by PDO in other countries do not seem to be affected. A similar, if considerably less widespread problem occurred with discs manufactured by Optical Media Storage (Opti.Me.S) in Italy.
Simon. 
"Quicquid Nitet Notandum"
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Rank: HIFI Novice
Groups: Member
Joined: 10/5/2009
Posts: 10
Location: England
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@darkmatter - I have about a dozen or so discs with pinholes. However, with some it started with a few holes and now they look like a Tetley tea bag (and will not play). The worst offenders (in my collection) are a couple of Telstar compilation albums. As you say, I suspect poor manufacturing. Incidentally, has anybody noticed how many new CDs today are printed with a heavy colour ink before the graphics and text are added? And who said CD mats don't improve the sound!
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