Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics.

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RE: I see

Posted by Ugly (A) on May 11, 2008 at 21:02:00

In Reply to: I see posted by E-Stat on May 11, 2008 at 19:12:55:

"make sure all components use switching supplies to make sure the grunge emitted by the others doesn't affect a non-switching supply component."

Not at all. If you asked me I think rick_m nailed it below. By holding both the equipment manufacturers whos equipment causes these problems as well as the utilities whos power quality it is that ends up sucking both to high enough standards along with requireing a minimum level of design excellence in the form of grid issue immunity from the device under test manufacturers all combined could lead to the most ideal situation.

"I guess that works if you like switching amps. :)"

Well I like what theory says switching amps have to offer, but even I'll admit that existing practical applications leave alot to be desired in most cases. I say give it 20 years and see what you say then.

"And what constitutes "tiny little filter capacitances"?"

It's all relative right? Take a look inside any cheapo yamaha HTIB million dot one reciever for illustration. Give me a set of standards outlining worst case expected operating conditions, again I think rick_m said it best, to design to and I'll tell you what your necessary capacitance will be. From govt. ill-regulated utilities to cheap chinese crap switchers plastered with CE stickers you know couldn't have come within a million miles of a certified CE test lab without blowing out the recieve circuits on the test gear the problem right now is that the "standards" just don't exist in practice.

"Go right ahead and study. Meanwhile, others may be interested in real world systems."

You lost me here.On the one hand my amps for example have what may be arguably about some of the most robust power supplies ever produced in some audio gear but at the same time I know that within milliseconds of a blackout my sound is gonna suck bigtime. It doesn't bother me a bit and I'd never put a power conditioner in front of them since I'd have to spend a fortune in order to to not choke them out and also since they already do a dandy job filtering 99.99% of what is coming down the line at them to a level that is working well enough for me. I'm just going to have to live without tunes during blackouts at least until that permit for my backyard nuclear power generator plan goes through with the city.

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