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question about adding additional woofer to existing car components

I currently have a set of Focal 130v2 5 1/4" + 1" tweet components

I have the 130v2's

components pic

The amp I have will push 70x4 at 4 ohms, and I have the focals on the front two channels and infinity kappa 6x9's on the rear channel.

I want more midbass. I have the focals in qlogic kick panels (of which I seriously
reinforced with dynamat. I had to use a spacer for the focals because they were too deep, and I made the spacer out of about 15 layers of dynamat..

THe amp is pushing 70rms to each component set, at a 4 ohm load. The components are only rated to 60rms. However, if I give the amp a 2 ohm load, it will do 100 watts, so if I doubled up the components, I could get 50 watts rms to each components and get more overall power. Since the components are only rated at 60rms, I would rather just give them 50rms and have another 50rms to give to another component set.. However, I really dont want to add more tweets, I was just thinking about ordering the bigger 6.5"s focal woofers from the same line and putting them in the doors. Or I was thinking about getting a similar focal 6.5's.. This way I would have 6.5's in the doors, 5 1/4's and 1 inch tweets in the kicks with 100rms pushing the whole set.

If I order the 6.5's from the same line, they wont be 4 ohm speakers because its the 6.5 combined with the tweeter that gives a 4 ohm load. So if I want to give it a straight 2 ohm load, I need to find another woofer that is 4 ohms independantly. My only issue is how I would wire this in. THe amp has a crossover on it, but it would be set to low pass around 80hz. The components have a crossover that takes out the highs from the woofer. If I wire the 6.5 independant of the focal crossover, they will habe the lows taken out, but the woofer would be playing all the highs too.. I was thinking about just running the 6.5" in with the focal crossover.. Im not sure if the crossover is built for the lower impedance, or if it matters...

Question. Would it be best to wire the additional woofer in with the existing component's crossover, or run it independant and use something like a bass blocker to sweep out the highs?
 
Don't have rear speakers, it messes up the sound stage and get a basic 10/12 inch sub.

You can try wiring two of the mid woofers you have now together on one crossover and using a multimeter to test too. I would assume it would give you like a 2.6ohm load.
 
Originally posted by: Christobevii3
Don't have rear speakers, it messes up the sound stage and get a basic 10/12 inch sub.

You can try wiring two of the mid woofers you have now together on one crossover and using a multimeter to test too. I would assume it would give you like a 2.6ohm load.


well apparently the way the crossovers are designed, if I wire in a second woofer to the woofer out on the crossover (passive component crossover) it will change the crossover frequency because the crossover is designed for a certain impedance. THe rear speakers are loud, but the fronts are more dominant. The sound stage is still in front. If I had another set up front, the rear speakers will just be fill... Already have 3 10's!!!!
 
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