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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Sylvania 5751 3 mica gray plate (different varieties?) posted by posbwp55@msn.com on April 19, 2007 at 14:53:13:
As far as I've seen, there is only one construction type of Sylvania TMBP 5751. There are at least two variations of the Sylvania TMGP 5751. One has a square getter ring and two plate crimps/staples per triode section, the other has a round getter ring with three crimps/staples per triode section (two crimps on one side, one on the other). I'm assuming the former is an earlier type. I may have at least one example of some hybrid of these two gray plate types, but otherwise these two are the typical TMGP types.These two gray plate types, at least from comparing the samples I've got, do sound different. Of all 5751s, I tend to prefer the Sylvania TMGP with the round getter best. Other 5751s can sound very nice, too, but in my gear to my ears I usually like the this Sylvania best.
Of course, there's the late-production Sylvania two-mica gray plate/three plate crimp type that were made from the mid-1960s to perhaps as late as the early-1990s...
- SJ
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- Re: Sylvania 5751 3 mica gray plate (different varieties?) - tvr2500m 12:09:17 04/20/07 (0)
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