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RE: DIY amplifier wood case question

Posted by tube wrangler (M) on February 16, 2017 at 20:46:07

In Reply to: RE: DIY amplifier wood case question posted by pmaneri@samsontech.com on February 15, 2017 at 11:43:07:

Take what I tell you in the right spirit-- I'm talking all-else-being
equal here.
By using the right capacitors, wiring, layout and parts, and by correcting a few circuit points, one can make almost any material
sound better than ordinary. Understand That I'm talking in idealistic
terms-- as in "the best".

There! Now we can talk! To Industry Professionals who build studio
gear, and to people like me who try to build "ideal" electronics for audio, Aluminum has a "whitish" coloration.

That is, it imparts both a dulling, and at the same time, a reactive
component-- it generates an aggressive upper midrange highly-driven "bleaching out"-- this might not be noticed on low or medium-Eff. speakers.

Arguments abound about this "whitish" idea-- is this caused by aluminum reacting against iron components, or is it also just part of aluminum itself? I don't pretend to know, but I suspect it's a combination of both.

I use aluminum for LOW VOLTAGE power supplies with no problems at all.
When I mount High-Voltage components, the aluminum starts to sing, and dull transients slightly at the same time. It is reactive and absorptive at the same time.

I would use it with great caution for another reason-- it is poisonous--
that is, the filings and dust are. Is it as bad as Lead? Well, it does
different things-- it usually ends up in brain and nerve tissue, Lead usually does that but also, Lead, due to its weight, tends to accumulate
more in lower areas such as your legs. Both aluminum and Mercury are brain and nerve poisons. SEE: Alzheimer's Disease, Mercury poisoning, "mad-Hatter's Disease", and etc.

Aluminum? You don't need it for many reasons. When you do use it, don't breathe the dust and don't get it on your skin....

-Dennis--

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Kimber Kable

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