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wiring a 4 ohm dvc sub


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i am an idiot 
Platinum - Posts: 13,674
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: May 04, 2009 at 7:35 PM / IP Logged  
Both of the positive terminals are connected together inside the amp.  Both of the negative terminals are also connected together.  You can use only one of each and connect the woofers as shown in either picture I posted.
kenwood_nut 
Stock Boy - Posts: 227
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Joined: April 10, 2009
Location: Washington, United States
Posted: May 04, 2009 at 7:36 PM / IP Logged  
i am an idiot wrote:

https://www.the12volt.com/caraudio/woofer_configurations.asp

If you want to run the amp at 2 Ohms, you should have stuck with the dual 2 ohm drivers.  Your only options with the dual 4s are as follows.

Option 1 (parallel/parallel) = 1 ohm load
Voice coils wired in parallel, speakers wired in parallel
Recommended Amplifier: Stable at 1 ohm mono
wiring a 4 ohm dvc sub - Page 2 - Last Post -- posted image.
 
Option 2 (series/parallel) = 4 ohm load
Voice coils wired in series, speakers wired in parallel
Recommended Amplifier: Stable at 4, 2, or 1 ohm mono
wiring a 4 ohm dvc sub - Page 2 - Last Post -- posted image.

That works, man, thanks!  Oh, my previous subs were single voice coil 4-ohm not 2-ohm.  So, your diagram is exactly what I needed to know! So, I only use ONE pair of connections, right? ONE positive and ONE negative?  Cool.  I suppose if there wasn't so much info on this site I could have found this chart, but I'm relying on experts like you to help me now and then, and help me is what you did.  I was leaning more toward the Series/Parallel setup due to keeping the amps load a little less strained, but will decide at the last minute.

THANKS AGAIN! You rock!

kenwood_nut 
Stock Boy - Posts: 227
Stock Boy spacespace
Joined: April 10, 2009
Location: Washington, United States
Posted: May 04, 2009 at 7:40 PM / IP Logged  

i am an idiot wrote:
Both of the positive terminals are connected together inside the amp.  Both of the negative terminals are also connected together.  You can use only one of each and connect the woofers as shown in either picture I posted.

Perfect! This will work! Just what I needed to know!  Thanks for the help.

Shawn

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