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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: Are the NOS 5751's all gone? posted by CometCKO on April 12, 2006 at 20:22:36:
Just a couple of things to consider:1. When you plug a 5751 into a circuit that uses NFB, the lower gain means lower feedback. This in turn can reduce the energy at the frequency extremes.
2. I'm sure every one knows by now, but a 5751 is not exactly the same as a 12AX7, it has a mu that is 30% lower.
FWIW, my 5751 supply is virtually gone too, and I have no source of resupply. A few may pop up here and there, but that seems to be about it.
BTW - I have some KT77 JJ due in next week, I'll pass on my observations from the test bench ASAP.
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Follow Ups
- Re: Are the NOS 5751's all gone? - Jim McShane 06:43:47 04/13/06 (0)
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