That's a good shout, I could modify the stiffness of the door card I suppose, or add some dampening material to the door cards to see if it improves the sound.
I was thinking of going down the 6x9 route and placing them in the back, but I'll end up having to run another amplifier and some more cables throughout the car. The current Focals are amplified using a 4 channel inline amplifier.
I'll start with your initial suggestion. I've ordered a calibrated microphone, so I check to see if there is a difference before or after using some audio spectrum analyser software.
Kr,
T
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96 945 Classic 2.3 LPT with some mods...
To do: Install upper brace, Catch can, install sound deadening (50% done), Fit electric leather seats, repaint! List is endless...
16 BMW 330e
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