Audio Restoration of Edison Diamond Discs and
2013-9-20 · Edison Diamond Disc Re-Creations play at 80 rpm’s (not the standard 78 rpms of the day). To overcome this problem, I used a Technics SL-1200MK2 record player. It has the ability to dial in the exact rpm’s, as well as the ability to adjust to the thickness of each record (or disc height).
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