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Old 10-02-2011, 09:20 PM
ironchef2011's Avatar
ironchef2011 ironchef2011 is offline
Dodge Ram Forum Senior Member
Join Date: Aug 2011
Location: Orange County, NY
Posts: 456
Gender: Male
Vehicle: 2012 R/T
Trim Level: R/T
Color: Black
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Hey Frank,
I used a set of JL C2-650 separates and a test CD with specific frequency test signals. The rear doors are sent a different filtered frequency than the fronts. When I connected my C2-650 separates to the front, the tweeter was obsolete. It was able to reproduce frequencies up to 800hz and all the way down to 20hz. On the rear, the tweeters performed, but not to their full potential. It faded off after about 7000hz and again, down to 20hz. When I say "full frequency," I mean that it has a broader frequency range.

This would explain why people have had success with a quality set of components or coaxials in the rear doors, but not in the front.

Bear in mind, just because a speaker is able to reproduce a signal at 20hz, it doesn't mean it's not equalized. There's probably a very basic crossover on the sub 100hz frequencies with only a 6db roll off. Therefore, it'll play the signal but weakly, which would explain your sub wiring scenario.
2012 R/T 392

Last edited by ironchef2011; 10-02-2011 at 09:24 PM.
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