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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: Shuguang Treasure KT120z posted by hahax@verizon.net on August 4, 2016 at 20:32:16:
Looking at the curves, I can see why. Check the link.
It really doesn't come off as a forgiving tube. You'd have to bias somewhere down to -9V and operate with a 4VRMS signal to meet your linearity demands. Fwomp.
On that note, if I understand things right, wouldn't it make a power section work more like a bad half-wave compressor? It reminded me of the 6386 data sheet - it's a tube used in a lot of old compressors like the Fairchild (look at what happens in the data before/after -17V - you see why they used it). But, you'd only get that effect on the signal's rise in the case of using a KT120 for power. On the trough, you'd lose detail and a feeling of power, no? (Forgive the ramblings, still learning)
Anyway, thanks for pointing out the data sheet. Makes me reconsider this tube's overall use. After looking at the KT150 data, I'm not really any more impressed, but at least there's a functional range between -10V to -20V.
I guess it really depends on the amp's driver stage and what it's meant to feed.
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- RE: Shuguang Treasure KT120z - TubeAcolyte 21:23:33 08/04/16 (0)
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