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Electrolytic Caps in Crossover???

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=10845
Printed Date: July 29, 2025 at 2:07 AM


Topic: Electrolytic Caps in Crossover???

Posted By: lt1-larry
Subject: Electrolytic Caps in Crossover???
Date Posted: March 13, 2003 at 3:42 PM

I'm new to the forum.  I found your passive crossover calculator by surfing, and it's a great tool!  I'm trying to build a passive crossover with a high pass at 50Hz, and the tool says I need a 400uf capacitor.  390uf is a standard size, and that yields 51Hz, so its an acceptable value, but I'm having trouble finding a 390 that is not electrolytic.  I'm only a mechanical engineer, so I don't know if an electrolytic will work or if I need to continue the search for a 390uf bi-polar.  If I can use an electrolytic, what would be the polarity?  Thanks in advance for your help.



Replies:

Posted By: bdl666
Date Posted: March 13, 2003 at 4:21 PM
Try this



Posted By: bdl666
Date Posted: March 13, 2003 at 4:24 PM
Im not sure the link worked. So try this



Posted By: lt1-larry
Date Posted: March 13, 2003 at 4:43 PM
Terrific!  Thanks.  Just placed the order.


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