I have also droped the 500 Hz setting by -3, this goes some way to reducing the muddy bass.
I've also found its best to tune the EQ while the car is moving. I think there is dynamic equaliation applied, based on the cars speed? Mine certantly sounds different when stopped compared with moving! Duller when stopped and brighter when moving!
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Originally Posted by NickG
Well I'm an audio and music nut at home, and I guess the first thing to say is that no home stereo worth it's salt should run equalisers. In fact many of the best amps in the World don't even have tone controls at all!
A car, however, is about as difficult an acoustic environment as you can get. So some "tweaking" of the sound is virtually essential. The classic "V curve" mentioned above basically replicates what used to be achieved by the "loudness" button that was all the rage on home amps in the 1970's ( and is still seen today on some lower end "hi fi" equipment) . IF you are running with a decent source and speakers to start with, it simply guarantees a "boom tizz" sound that is nevertheless impressive to many people.
Listening to the Logic 7 in my 335i coupe my impression is that HK did a reasonable basic job of optimising the sound with no EQ applied. However for me, the following settings are more faithfull to the music:
100Hz (-1)
200 Hz (0)
500 Hz (0)
1k (0)
2k (+1)
5k (+5)
10k (+5)
Adding more bass only serves to reduce the quality. It's already a bit muddy to start with in this area ( probably the only significant weakness of the Logic 7, apart from some weird and unpredictable stereo imaging when the digital sound processing is activated).
Try the above on a good source CD (Beck's latest - "The Information" - is simply awesome) and see if you like it.
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2010 E90 335i M-Sport, 2005 E90 325i M-Sport, 2003 E60 520i, 2002 E46 330i Sport II, 2000 E46 325i Sport I, 1999 E46 318i, 1998 E46 323i SE, 1996 E36 323i SE, 1996 E34 518i, 1995 E36 320iA, 1994 E36 316i