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Originally Posted by justintmn
Any suggestion, Ken?
Justin.
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Yes, several, but you probably won't listen to them this time either : ) (I told you how hard the cast frame 6.5 would be! The 160GT is MUCH easier : )
I politely suggest that the above is a terrible idea.
The System 340 has a 165mm woofer, a BIG dome mid, and a smaller (but not SMALL) dome tweeter.
All three drivers have to be up front for the System 340 to work. If you shove the mid aft, you ruin the sound. Call Dynaudio and ask them : )
Once you go with the 340, the Dyne passive crossovers do NOT play the tweeter as low as the System 240 crossovers do. This means a lot of the effect of putting a low-playing tweeter in the dash is lost. I'd rather have a 240 with a top-mounted tweet than a 340 with a dome mid in the bottom of the car.
The tonal quality of the 340 is great. But for a high stereo image in your car, best results are obtained with either the mid and tweet really high in the car (hard without significant mods) or with the mid and tweet in angled kick panel enclsoures with proper alignment (not cheap, but Signature can do it for you no problem).
And why, why, why are you spending money on some of the best, and most expensive, speakers ever made and yet you won't get rid of the damned AudioControl LC8! Lose it! Running the audio through the DSP amp adds layers of distortion and processing that are incredibly hard to get out and reverse, whether you have a Clean Sweep, 360, or anything else.
Since we built the original X5 system I posted about here, we've bypassed the DSP, we've retuned it several times, and we've upgraded all the amplifiers.
Bypassing the DSP made for the biggest impact in SQ. No question.
Anyone who uses an LC8 in a DSP car can use it to create a line-level signal that is summed together (although you still won't have a fader).
But what are you going to now do with this signal? It's heavily EQ'd, it has lots of phase cancellation problems (before and after the summing - BMW runs some drivers out of phase with others), it's not something that can be easily reversed - and I'd like to see the Audio Precision phase measurement of a "flat" output of a JL CleanSweep used in this situation.
We used a parametric EQ to flatten the signal, and it worked OK, but bypassing the whole DSP thing yielded far, far better sounding results.
OK, my coffee's wearing off, but I gotta say, you are spending a lot of money on speakers but you don't seem to have a very good plan at all.