how to wire 3 12 inch subwoofers

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=120512
Printed Date: June 03, 2024 at 10:25 PM

Topic: how to wire 3 12 inch subwoofers

Posted By: gbodyera
Subject: how to wire 3 12 inch subwoofers
Date Posted: March 04, 2010 at 9:34 PM

Hey. I just picked up 3 12'' subs. Theyre all HFI12D4's. 300RMS/ 600MAX Each. Dual 4OHM.

I plan on using these with my 2000 watt amp. Its PLA2378 Maximum Power Output 2 x 1000W ***Bridgeable RMS Power @ 4 Ohms: 1x2000W ***2 Channel Bridgeable MOSFET Amplifier

im not too familiar with bridging and stuff. What would be my best option in wiring these to get the best sound quality and most bass?

Replies:

Posted By: gbodyera
Date Posted: March 04, 2010 at 9:35 PM

Also this is going into an 83 Cutlass. I have a H/O Alternator. New battery. What gauge wire should I go with and what all would I need? Thanks

Posted By: j.reed
Date Posted: March 04, 2010 at 9:45 PM

Your only safe option is 6ohm. You would be better off using just 2.

but here is how to wire all three. https://www.the12volt.com/caraudio/woofer_configurations.asp?Q=3&I=42#results option 2

Doing just 2 you could do a 4ohm load. Getting full power from the amp.

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Posted By: gbodyera
Date Posted: March 04, 2010 at 11:43 PM

Well if thats the case. I think I'll order a 4th one. Thanks

Posted By: i am an idiot
Date Posted: March 05, 2010 at 6:52 AM

That amp will last you longer running 6 ohm. If you insist on running it at 4 ohms, you will need 4 dual 2 ohm drivers

Posted By: smtgolf
Date Posted: March 05, 2010 at 1:10 PM

With 4 subs he could wire each sub in series (8 ohm for each sub individually), then pair them up in parallel to get 4 ohms. Run each channel on the amp to 2 subs.

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