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Yes - I am familiar with DuoDiscs. These are cheaply made, instantaneous-cut discs. The first "homemades" I ever owned were a pair of these given to me by a family friend thirty years ago. What the correspondent calls "vinyl" is actually the lacquer coating on the outside of the aluminum center, and if it is already peeling there is little hope for it. This is a pity - Duodiscs have fairly quiet surfaces for homemades, but it appears most of the ones I see nowadays are on their way out - it appears 90 per cent of them are flaking off. And these always seemed so durable, unlike steel-base Carr-O-Tones and others which rust and usually prove unplayable anyway. As there are no established standards for handling these records, it is hard to know what to do to preserve them. The standards may well arrive too late for most DuoDiscs. My advice - record the non-flaked-off portions at a very slow speed 2 or 3 times, speed up the results and edit what's left together. You may get different grooves to play on different passes. David N. Lewis Assistant Classical Editor, All Music Guide "Contemporary composers, and at least a considerable number of them, explain what system they used, in what way they arrived at something. I do not do that. I think that the matter of the way by which one arrived at something is, for the listeners, unimportant. What matters is the final result, that is the work itself." -Grazyna Bacewicz, 1964 -----Original Message----- From: Association for Recorded Sound Discussion List [mailto:[log in to unmask]] On Behalf Of Joel Ackerman Sent: Thursday, February 23, 2006 11:47 PM To: [log in to unmask] Subject: [ARSCLIST] Question re DuoDisc records Am asked the following question: Are you familiar with those "DuoDisc" type records? They have an aluminum center (substrate) and a thin coat of vinyl (I think) on top of the aluminum. I believe they are records people made home recordings on. Anyway I have two (or three) of them and the vinyl is peeling off the aluminum. I was wondering if you knew anything about, perhaps, repairing the peel? Looking at photos, it appears that the vinyl is coming apart - cracking and heading towards eventual peeling off,. Suggestions welcome. Joel Ackerman