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What would larger woofer caps do here?
What would larger woofer caps do here?
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Old 23rd October 2015, 02:29 PM   #1
reiver is offline reiver  United States
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Default What would larger woofer caps do here?

I have an old pair of Klipsch Fortes 2's I'm refreshing. For now I'm just replacing the electrolytic cap in the woofer circuit, its 24 years old after all. Its a 12db slope with a 2.75mh coil and 110uf 10% capacitor. 4ohm woofer I believe.

Here's my question: After I pulled the caps out I put them on my meter...one read 124uf and the other 130uf. I realize its not earth shattering, but what would have been the effect of having these drifting, larger values on the woofer instead of the expected 110uf?

(prob should have put this in the multi-way forum...but I can't delete it)
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Last edited by reiver; 23rd October 2015 at 02:56 PM. Reason: update
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Old 23rd October 2015, 03:57 PM   #2
JonSnell Electronic is offline JonSnell Electronic  United Kingdom
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I doubt you will notice any difference as they are close to the values required. Caps don't usually increase in value, they decrease with age.
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Old 23rd October 2015, 04:28 PM   #3
reiver is offline reiver  United States
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Could be that Klipsch's KSC (King-Sun) caps were not too accurate to begin with. The schematic calls for 110uf which is an odd value...at least I have them matched now.
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Old 23rd October 2015, 06:01 PM   #4
badman is offline badman  United States
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It won't be a big thing. If you want upgrades, a low DCR air-core inductor (14 awg) on the tweeter circuit, and better, possibly charge-coupled caps there, would probably be your best bets. If you want to get more in-depth, Bob Crites, I believe, has tweaked some of the classic Klipsch XOs to good effect.
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