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Wasn't this one of the first problems encountered with CDs where the ink bled and dissolved the playing surfaces, hence the reissue? dl "Prentice, Will" wrote: > We have two sets of "The Complete Caruso" (GD60495), a 12 CD boxset in > the RCA Victor Gold Seal series, published in 1990 and manufactured by > BMG Music, New York. One is suffering from a problem I haven't come > across before. > > The two sets are largely identical, although the label (upper) side of > the discs in one set is printed in gold on red, and features what > appears to be a date amongst the hub data: 10/90. The discs in the > second (later?) set are printed in black with no background colour, and > have 6/93 in the hub data. > > The 10/90 set have a curious crystalline frosted effect on the underside > of the discs, rendering them unreadable. The interesting thing is that > the frosting is on the outside of the polycarbonate, i.e. NOT in the > metal reflective layer, where other problems such as bronzing manifest > themselves. When gently rubbed with a lens cloth the frosting > (crystals?) seem to come off, although I haven't attempted to clean an > entire disc and play it, for fear of causing further damage. It appears > to be a result of the exposure of the polycarbonate (or some element of > it) to something atmospheric. > > Has anyone come across this problem? The 6/93 set is unaffected, while > all the discs in the 10/93 set are affected to roughly the same degree. > The two sets have different storage histories, but no other discs stored > near the affected set show any such problem. The affected set have AFAIK > been stored under archival conditions by us since they were purchased > new. > > Thanks > > Will