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2 ohm co axials in parallel

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=112741
Printed Date: May 11, 2025 at 9:40 PM


Topic: 2 ohm co axials in parallel

Posted By: pcguy760
Subject: 2 ohm co axials in parallel
Date Posted: March 28, 2009 at 2:33 AM

In my SUV, my far rear speakers are Infinity co-axials 3.5" 2Ohm rated at 25wrms and my rear door speakers are Infinity 6.5" 2Ohm rated at 60wrms. I wish to hook up my far rear speakers in parallel with the rear door speakers but the amp will not go down to 1Ohm per channel so I am wondering if could put a 10uF Bipolar Capacitor in line with the far rear speakers and then hook it up in parallel so the load is still 2Ohms and I know that the cap will cut off most of the bass but then again its only a 3.5" so mid and highs is okay from those ones...

A good idea or not? Thanks!




Replies:

Posted By: i am an idiot
Date Posted: March 28, 2009 at 6:33 AM
The amp will see a 1 ohm load at any frequency above the crossover point of the cap. It should not be a problem for the amp since there is not a lot of information above 8K. That is where the crossover point will be.   I think you would even be safe playing it dow to 2K, that would be a 40 Mic capacitor. Play the amp for a while and notice how hot it runs. Then connect the rears and notice if there is any substantial temperature increase.

Chart to figure crossover points


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