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Old 27th May 2011, 07:10 AM   #31
VladimirK is offline VladimirK  Uzbekistan
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Join Date: Feb 2007
Location: Tashkent
Quote:
Originally Posted by buzzforb View Post
Looking at what caps to get for the output of the F3. I plan on paralleling multiple caps and cannot decide on the brand. Elna's are recommended by Pass, ut the Nichicon KG series has better numbers. Ripple current is almost double on the KG and from the discussions about the benefits of the caps, low ESR and high ripple current seem to be important. NOne of te datasheets show ESR ratings, that i can see, so ripple current is all that is left. I guess only difference between Silmics and Nichicon is the paper used. Silmics seem to haev an advantage in this area. I would get both, but i cannot afford it. Also, Do i need 15000uF or can I use less without any detriment? I have FR drivers that are 7ohm.
Your question is difficult to unswer from purely technical ground, it more relates to believes and empirical experience. As for my vision, use 15-20 pcs of 1000uF Elna Silmics, it is a tested solution, plus 50-100uF polypropylene shunt cap (or a pair of smaller caps, like 33uF).
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