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philco 90
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02-15-2011, 12:56 PM
bandersen
RCA 741PCS
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,780
Nope, but those are a good read. The one I saw had actual cutting patterns and formulas to get a perfect cone from a flat sheet. It also showed using toothpicks to center the voice coil.
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