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sub wiring

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=94557
Printed Date: May 15, 2025 at 5:02 AM


Topic: sub wiring

Posted By: justodd5
Subject: sub wiring
Date Posted: June 06, 2007 at 8:00 AM

I have 2 Dual 4 ohm subs that I would like to run at 4 ohms.  Is it ok to run each sub in parallel to get to 2 ohms per sub, and then run the 2 subs in series to obtain the desired 4 ohms?

thanks,

todd




Replies:

Posted By: jayem7516
Date Posted: June 06, 2007 at 8:10 AM
Yep, that should be fine. :)



Posted By: stevdart
Date Posted: June 06, 2007 at 8:59 PM

It would be best to wire coils in series for 8 ohms per sub, then parallel the subs for your 4 ohm impedance.  Truest to specs performance out of each sub that way; same end result in impedance.  It is why you always see this wiring in recommended wiring configurations.

https://www.the12volt.com/caraudio/woofer_configurations.asp?Q=2&I=42

Parallel / series configurations are normally used only if series / parallel will not provide the target impedance.  You will find at least one example of this in the wiring wizard linked above.



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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.




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