nospam wrote: > In article <slrng5jv7c.h0j.gsm@cable.mendelson.com>, Geoffrey S. > Mendelson <gsm@mendelson.com> wrote: >>> verbatim data life plus are not outsourced and should be the same >>> everywhere. the cheapo verbatims can vary. >> Thanks, I never knew that. >> >> What I have seen is that the disks seem to be blue or yellow. I assume >> that is the color of the dye that gets burned. Yellow (also gold/silver) >> disks work better for me in older drives. > > the blue discs are the data life plus and are very good. in fact, > they're often called verbatim blues because of the dye colour. it's > their own formula (called azo), and as far as i know, only they make > discs with it. i've never used the other verbatim discs and have no > idea what colour those are.
Not quite so... Both TDK and Kodak also have made blue disks, and these disks are some of the worst, you can put into most SCSI burners and the earler ATAPI drives in _any_ computer - Mac or PC doesn't matter here.
>>> also, most discs these days are optimized for the higher burn speeds >>> and burning too slow is actually worse than burning closer to their >>> rated speed. >> The TEAC blanks I use are marked 12x-52x, but they burn fine at 1x. > > sure, they'll burn fine, but if you look at the actual raw error rate > of the disc you'll probably see that it's much higher when burned at > the slowest speeds versus burning at the higher speeds. the errors are > correctable so the disc 'works' and is readable, but since it has a > higher error rate, it's a little closer to failing. > > if you want to burn at 1x, look for music cds. they're designed to be > used in set top burners (attached to a home stereo, not a computer) > which record real time and they're optimized for 1x burns. > unfortunately, they're more expensive due to the music industry 'tax.'
Well... yes and no... Not all countries have VAT on blank music CDs... And hereto also before those countries put on tax on that kind of media, the blank music CDs were quite a lot more expensive than normal data CDs. - The foil in the the music media is apprx. 3-4x as thick as the foil in a data media.
And not to forget. The data media are mostly made of aluminium or aluminium-nickel alloy, which gives quite a stable type of foil, where the special music medias are made of an alloy of aluminium, silver and cobolt, which increases the production cost quite a lot, but also makes that kind of media by near just as good as the factory made music CDs.
cheers, Erik richard
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