Thanks Steve for these insights. Especially for the tip on maintaining a .003 gap between needle bar and mica on the Exhibition. I wasn't aware of that, and always adjusted until it just touched before securing and waxing the screw.
Andy Baron On Apr 5, 2011, at 12:37 PM, Steven Medved wrote: > > The best way to check out an S reproducer is to gently blow and suck in the > sound tube to see how much of an air leak you have. Originally the R and S > was made with a slot to allow the compression ring to be tightened or > loosened to control the sound. The ones with large air leaks will not sound > very good. > > On most of the R and S the 4 minute stylus is worn and can be rotated. I > found a way to separate the ones with the brass bottoms with no damage, but I > still need to devise a way to remove the compression ring which is normally > stuck. > > I rebuilt an R and rotated the stylus, I compared it with two other R > reproducers. The one was air tight, the other had a bad leak. The one that > was rebuilt sounded very close to the air tight one, the bad air leak sounded > bad especially in the higher end. > > Edison used soft natural rubber which had better bass response. Replacing > gaskets in Edison reproducers with no air leaks makes very little difference, > Edison is not gasket driven like Victor's Exhibition is. With the Exhibition > the sound quality comes from the gaskets, the mica, and the needle bar > adjustment which should be .003 away from the mica, touching dampens the > sound, before you tighten the screw. > > Edison reproducers need to have all the parts moving freely and the stylus in > good condition. I have worked on Edison reproducers that had new gaskets > along with stuck stylus bars and broken diamond styli and they sounded > horrible. Rebuilding is not just changing gaskets. > > Steve > >> Date: Wed, 30 Mar 2011 10:54:46 -0700 >> From: [email protected] >> To: [email protected] >> Subject: [Phono-L] Wanted: "S" Reproducer >> >> "Pinging" the 'list'....anyone have or know of an available "S" reproducer? >> >> Please email off list with any prospects. >> >> Thanks! >> Ron >> >> _______________________________________________ >> Phono-L mailing list >> http://phono-l.oldcrank.org > > _______________________________________________ > Phono-L mailing list > http://phono-l.oldcrank.org > _______________________________________________ Phono-L mailing list http://phono-l.oldcrank.org
