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Old 23rd June 2012, 09:16 PM   #6311
SY is offline SY  United States
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Originally Posted by john curl View Post
I find that it is virtually impossible to give a definitive statement about how much power supply capacitance and transformer size, because the 'target' is just too nebulous.
100% agree. It's another example of people wanting The Answer without having to do the work of figuring out what they need for a given design target.
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Old 23rd June 2012, 09:48 PM   #6312
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Quote:
Originally Posted by SY View Post
100% agree. It's another example of people wanting The Answer without having to do the work of figuring out what they need for a given design target.
What is this, my biography?
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Old 23rd June 2012, 09:55 PM   #6313
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Originally Posted by a.wayne View Post
Hiraga ! Explains why you don't exceed 25 watts ...
Cause I don't need 'em! 5W peak (6 volts) is all I ever need at home.
Now if I'm trying to fill a hotel ballroom or stadium, that's another matter all together.
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Old 23rd June 2012, 10:01 PM   #6314
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Originally Posted by SY View Post
100% agree. It's another example of people wanting The Answer without having to do the work of figuring out what they need for a given design target.
Really? So design rules and practices aren't part of figuring out what you need?
If I know how much power (or current) my amp is likely to supply, then trying to figure out the size of the power supply in joules per watt or farads per ampere or whatever is lazy? It's wanting The Answer handed to me?

I don't get it.
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Old 23rd June 2012, 10:18 PM   #6315
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Suppose you had to pick between a car that has an engine with high torque and low revs, and one with low torque and high rpm, identical horsepower ?

Which would you choose ?
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Old 23rd June 2012, 10:25 PM   #6316
popilin is offline popilin  Argentina
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Originally Posted by jacco vermeulen View Post
Suppose you had to pick between a car that has an engine with high torque and low revs, and one with low torque and high rpm, identical horsepower ?

Which would you choose ?
The red one!
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Old 23rd June 2012, 10:27 PM   #6317
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See, i like 'm grey.
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Old 23rd June 2012, 10:50 PM   #6318
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Originally Posted by jacco vermeulen View Post
Suppose you had to pick between a car that has an engine with high torque and low revs, and one with low torque and high rpm, identical horsepower ?

Which would you choose ?
Am I racing, or pulling a trailer up a mountain?
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Old 23rd June 2012, 11:07 PM   #6319
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Why are you asking me ?

I haul trailers, so i fancy less than 1V ripple at the lowest load impedance and stiff as a board powersupplies, much tighter bass and higher dynamic headroom.
As long as it's grey.
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Old 23rd June 2012, 11:22 PM   #6320
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Quote:
Originally Posted by SY View Post
100% agree. It's another example of people wanting The Answer without having to do the work of figuring out what they need for a given design target.
People want Rules of Dumbs.
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