Sub cause rear distortion?

[Driv3]

So, i have an escort zx2, tiny little car but i luvs it. So i was finally thinking a little about my passengers and am going to replace my rear fill. The stock are just god awful and some guy is about to give me a dope deal on these little Bostson Acoustic 5x7s. I just know that my sub (thunder square ts55) really can beat loud and vibrates all the **** in my car that isn't already dynamated.

Just curious, I'm going to run my 5x7s off hu power but do you guys experience much distortion from big subs vibrating the midbass cones?

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[Driv3]

Any hypothesises?

 

[Buck 5,000+ posts]

You should be fine.

 

[zako 10+ year member]

Any hypothesises?

In my theory, the midbass cones should not vibrate if the bass has a path by which it can travel from trunk into the cabin and this path has the same length from the sub to the front of midbass as the one from sub to the rear of midbass. Under this ideal condition, the waves will apply equal pressure to each side of midbass, and so it shouldn't vibrate. However, if bass has a trouble getting into the cabin, then they may vibrate. Just my theory...

If you're obsessed about this, build a sealed enclosure for the rear deck speakers.