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Chip Amps Amplifiers based on integrated circuits

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Old 5th April 2003, 07:36 PM   #11
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Hi!

First of all: Beautiful cases!

But as for the supply, why the additional 1000uF in the supply?

I think if you want any smoothening additional to the caps at the IC, you should use a smaller (= faster) value capacitor, like 220 uF or so. Try it, if it is better or the same, stick to the smaller caps (also cheaper...), otherwise maybe bigger caps are justified (everything is justified if it makes the amp sound better, at least to your ears... )


Ahhh, you were right about the wheather... while maybe I could have been working on my P3A, I actually was painting my living room... also bot too nice on a sunny saturday afternoon...


Bye,

Arndt
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Old 6th April 2003, 07:39 AM   #12
Nuuk is offline Nuuk  United Kingdom
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Quote:
But as for the supply, why the additional 1000uF in the supply?
I'll start by using no extra caps in the PSU but I may find that I like an extra 1000 ufd or, as others have, a smaller value! The point is you have to try it for yourself in your own system so when I build something I try and allow for all possibilities.

In my experience, it's easy to talk about trying alternatives but if it's difficult to implement it's also tempting to just accept what you read on these forums and not try it yourself!

The 1000 ufds shown in the picture are just there to show how that 'board' can accept them if required. I have 47, 120 and 220 values 'standing by'!
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