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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: RE: Hitachi 6SN7GTB question: Top getter vs bottom getter tube posted by waterfall on May 13, 2017 at 15:31:49:
Waterfall:
Other than known and measurable electrical properties that we know effect performance, I do agree that there are no absolutes when it comes to exactly which internal parts can contribute to sonic differences in the same tube type, even from the same manufacture with identical production dates. I have a pair of Sylvania 6SN7GT 3 hole bottom getters, the so called "Bad Boys" dated from 1951. The tiny but known difference in the construction between those and the 2 hole does indeed contribute to more deep bass and a slight improvement to the top end sparkle over the otherwise identical 2 hole plates. Those who wish to argue otherwise feel free to do so, but my ears sure know the difference.
I have a pair of National Union 6SN7GT's that I purchased NOS, have the same date code, and measured the same on my Jackson Tube Tester. But they sound a bit different from each other. It's not huge, but it's there.
I too have a decent size collection of 6SN7's, including most of the agreed upon top recommended choices from around the web. These Hitachi tubes can really hold their own. Those who wish to dismiss Japanese tubes as inferior without listening to them are missing the boat. I already count these Hitachi tubes among the top 5 of my favorite 6SN7's and are also the only GTB issue 6SN7's that I really like.
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Follow Ups
- RE: Hitachi 6SN7GTB question: Top getter vs bottom getter tube - Amphead 18:41:33 05/13/17 (0)
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