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Old 02-15-2012   #1
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Default UF capacitor for tweeter...

Currently running a passive setup and plan to go active off my Eclipse CD7000 head unit. Which UF capacitor should I purchase for a 4 ohm 20MM silk dome tweeter that has a FS of 1830hz? I ran into this site: Car Audio - Speaker Crossover Chart and Capacitance vs. Frequency Calculator(High-pass) as I was searching, but afraid to purchase the wrong UF capacitor from Partsexpress. I have no idea where I plan to crossover the tweeter, but I want to be on the safe side without causing any issues. I've read that some UF capacitors can cause phaze and that I have to consider resistance or something when I choose a UF Capacitor. Feedback would be great, thanks.

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Originally Posted by MarkZ View Post
It's not Tchaikovsky. But it's still music that people like and that people want to listen to. Therefore, the goal is to meet that demand. When you let your audio system dictate the music you listen to, you've lost.
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Old 02-16-2012   #2
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Default Re: UF capacitor for tweeter...

I was told that a good rule of thumb is to go 1/3 over the FS of the tweeter. So, for a 4 ohm tweeter with an FS of 1830hz, i'll need a 2,440 capacitor which means that i'm stuck with either a 17 @ 4 ohm's = 2338.24 and a UF capacitor of 16 @ 4 ohm's = 2484.38. So, should i go with the 16 UF capacitor or the 17? These reading are from this link: Car Audio - Speaker Crossover Chart and Capacitance vs. Frequency Calculator(High-pass) I also read that many use a 21 @ 4 ohm UF capacitor which is 1892.86 @ 4 ohm What are the pro's and con's with these 3 types (16, 17 and 21) UF capacitors? Thanks

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Originally Posted by MarkZ View Post
It's not Tchaikovsky. But it's still music that people like and that people want to listen to. Therefore, the goal is to meet that demand. When you let your audio system dictate the music you listen to, you've lost.
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Old 02-16-2012   #3
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Default Re: UF capacitor for tweeter...



6.8uf for 1st order or 4.7uf for second order....

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