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mixing ohms in a 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=446
Printed Date: August 05, 2025 at 2:42 PM


Topic: mixing ohms in a crossover

Posted By: bensalvage
Subject: mixing ohms in a crossover
Date Posted: April 24, 2002 at 10:45 PM

I have a tweeter and a woofer and im looking for a crossover. The tweeter measures 6.5 ohms and the woofer measurse 4 ohms.  I would like to get a 4 ohm crossover and hook them up to keep them at 4 ohms. Will this still work? I also would love to be able to measure true impeadance. Is there any simple way of doing this? I realize that the tweeter measures 6.5 ohms but the impedance could still be 4 ohms but it just seems odd because its alot off.



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Ben



Replies:

Posted By: pat28ca
Date Posted: April 26, 2002 at 8:13 AM
the measure rating that they give you is the lowest it will ever go, but what you want is an impedance( resistance at work) meter (very expensive). while at school we used one to check the impedance on a 4 ohm rockford punch 12. between 20 hz and 120 hz we got readings as high as 92 ohms and as low as 5.3 ohms.  the rating they give is always the lowest that the speaker can go.so don't worry about trying to get lower on a tweeeter . or midrage. sure  if you lower the resistance than you'l get more power to them , but you;ll lose sound quality too. keep them in as they are. the crossover will be okay. and sound ok. . good luck





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