umbertob
Joined: 23 Sep 2005
Location: Pasadena, CA
Posts: 706

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In my experience, Logic 7 processing is only effective with RSE equipped cars for movie watching. The L7 processor does a very good job with Dolby Digital 5.1 or DTS encoded DVDs., If you play a DVD, DVD Audio or DTS disc, it sounds great with Logic 7 on, and when the dealer demoed the system that way in his showroom (using a demo DD/DTS DVD, sneaky little bastard... ), I thought this was the greatest sound system I had ever heard in a car. The active subwoofer (located in the rear liftgate, I was told) is similarly effective with those multi-channel soundtracks, and you can hear a BIG difference in bass by adjusting its level.
Unfortunately, for any other regular, 2-channel stereo signals (radio, CDs, satellite radio, MP3), Logic 7 does not seem to be nearly as effective. If you turn it off, things improve, but despite all those speakers, amps and watts the sound becomes quite ordinary (in my opinion). Leaving L7 on sounds worse to my ears. Most of the sound appears to come out of the center speaker, with "muddy" results that lack separation and punch. The sub, which probably gets very little sent its way by the DSP in 2-channel mode, is nearly useless as well, as you noticed.
So, if you don't have RSE you are missing out on Logic 7's true capabilities. Problem is, most people dont' have RSE and even those that do don't listen to it 90% of the time... Land Rover could have done better for this kind of money. 
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