Talk:V-Disc

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i'm not an expert on old recordings, but i was curious about the V-disks and where they fit into the transition from 78 to 33, and shellac to vinyl, but the info was not here. 68.174.110.168 (talk) 16:09, 13 August 2008 (UTC)[reply]

Modern vinyl can be directly traced to the development of the V-Disc, as shellac was too heavy and brittle to ship overseas. It doesn't really fit into the 78-33 timeline. V-Discs always run at 78rpm. The 33rpm speed had already been in use for several years, although not for consumer purposes with the exception of Victor's failed 1931-33 effort. I agree that the V-Disc's significance to the development of vinyl should be in the article. 78.26 (talk) 18:02, 11 November 2011 (UTC)[reply]

"they could hold up to six and a half minutes of music." Is that per side, or total on both sides? 198.144.192.45 (talk) 15:38, 10 August 2013 (UTC) Twitter.Com/CalRobert (Robert Maas)[reply]

That would be per side. A typical 10-inch disc standard groove-per-inch can hold about 3.5 minutes of music, so that would be 7 minutes for both sides. A typical 12-inch disc can hold about 4.5 minutes, but by decreasing groove depth and moving the grooves closer together, it is possible to get nearly 7 minutes per side for a 12-inch 78rpm disc. (OK. I've seen discs with higher gpi, but they don't sound very good...) 78.26 (I'm no IP, talk to me!) 02:25, 11 August 2013 (UTC)[reply]