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ARSCLIST  November 2013

ARSCLIST November 2013

Subject:

Re: Shelf life of CDs

From:

Dave Burnham <[log in to unmask]>

Reply-To:

Association for Recorded Sound Discussion List <[log in to unmask]>

Date:

Thu, 7 Nov 2013 14:46:02 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (105 lines)

Hi John 

No, it wasn't the pearl set; this box was issued by Victor, (BMG). 

db

Sent from my iPhone

> On Nov 7, 2013, at 2:24 PM, John Haley <[log in to unmask]> wrote:
> 
> Hi, David.  Thanks for mentioning the problem with the Caruso set.  I will
> go check mine.  If that was the Pearl set, an awful lot of those old Pearls
> have bronzed and gone bad.  Very common.
> 
> The good news is that you can get much superior transfers/restorations, and
> a more complete set, as done by Marston, on Naxos.   These are also way
> better than the big BMG set.
> 
> Best,
> John Haley
> 
> 
>> On Thu, Nov 7, 2013 at 11:07 AM, DAVID BURNHAM <[log in to unmask]> wrote:
>> 
>> I've never seen one of my CDs warped - my earliest CDs were purchased in
>> 1982 and they play fine.  However, one set I purchased, the complete Caruso
>> recordings on Victor, completely self-destructed while I wasn't watching;
>> I think the problem was blamed on the label, a replica of the early Red
>> Seal Bat Wing.
>> 
>> db
>> 
>> 
>> 
>>> ________________________________
>>> From: Tom Fine <[log in to unmask]>
>>> To: [log in to unmask]
>>> Sent: Thursday, November 7, 2013 9:20:27 AM
>>> Subject: Re: [ARSCLIST] Maximizing CD Storage Space
>>> 
>>> 
>>> Hi Don:
>>> 
>>> A single hard drive definitely won't last longer. We've discussed
>> managed/migrated storage ad
>>> nauseum here. Don't worry, I think you're probably older than I am, so
>> your CDs will outlast you if
>>> you take care of them. I'm guessing mine will too, but I've already had
>> problems with seldom-played
>>> early-era discs. One problem CDs have is that they warp even under good
>> storage conditions. I assume
>>> the plastic expands and contracts and a different rate from the aluminum,
>> perhaps causing warping
>>> over time. Once they get un-flat enough, they are hard for many players
>> to reliably read at 1x
>>> speed, but seem to be OK to rip in my Plextor PC drive.
>>> 
>>> -- Tom Fine
>>> 
>>> ----- Original Message -----
>>> From: "Don Cox" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Thursday, November 07, 2013 10:04 AM
>>> Subject: Re: [ARSCLIST] Maximizing CD Storage Space
>>> 
>>> 
>>>>> On 06/11/2013, Tom Fine wrote:
>>>>> 
>>>>> Agree they should have used a less-brittle kind of plastic, but I'm
>>>>> sure the cost factor figured in. Also remember that in the early CD
>>>>> days, discs were sold in cardboard long boxes, so less likely you'd
>>>>> get a damaged jewel case. If you break one at home, replacements are
>>>>> dirt-cheap.
>>>>> 
>>>>> I really like the soft plastic Gaylord boxes that libraries use, but
>>>>> they are frosted semi-opaque, which makes reading the spine harder.
>>>>> 
>>>>> As a matter of course, one should handle their CD collection with care
>>>>> because so many discs are now out of print. Fingerprints are toxic,
>>>>> and circular scratches often cause fatal read errors.
>>>>> Non-deep/non-wide scratches that go from center to edge (ie not along
>>>>> the circle) are less likely to cause read errors, but should be
>>>>> avoided. One problem with envelopes is that they can be conducive to
>>>>> scratches, especially in a dirty environment. I'm more and more of the
>>>>> mind that it's wise to rip our CDs to hard drives, not counting on the
>>>>> discs being playable long-term. I worry about players eventually not
>>>>> existing (not likely in my lifetime, but possible) and the discs
>>>>> getting unplayable from some aging process that we don't yet know
>>>>> about (plastic is, after all, plastic and thus not 100% stable over
>>>>> time).
>>>> Amber is chemically similar to plastics and lasts for millions of years.
>>>> 
>>>> Man-made plastics have varying lifetimes. Nylon, for instance, lasts a
>>>> few decades before crumbling.
>>>> 
>>>> I think polycarbonate is one of the better ones.
>>>> 
>>>> I don't understand why you think a hard drive will last longer.
>>>> 
>>>> Regards
>>>> --
>>>> Don Cox
>>>> [log in to unmask]
>> 

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