Originally Posted by xfireFL

I finally caught up on this thread (after more than 220+ posts) and I think I figured out, as some of you posted, why the front speakers sound "tinny" with the 220uF capacitor. It looks like everyone was assuming the front speakers were 4 Ohms vs 2 Ohms. All indications point to the fact that the front speakers are indeed 2 Ohms, thereby limiting the filter too high. A 220uF cap on a 4 Ohm speaker filters the bass at 181 Hz, whereas the same 220uF on a 2 Ohm speaker filters the bass at 362 Hz (much less bass is passed to the front, causing the "tinny" sound). Again, assuming the speakers are indeed rated at 2 Ohm, the 330uF will filter down to 241 Hz, meaning more bass is passed to the fronts, reducing the "tinny" sound.

I attached a chart to illustrate what I mean. If I am wrong, please correct me.