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      12-15-2010, 03:40 PM   #8
Imperator
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Drives: 2010 E92 335i
Join Date: Mar 2010
Location: Plano, Texas

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Quote:
Originally Posted by montr View Post
Note: The passive crossover that will fit in the door has a lowpass for the midbass driver and a highpass with attenuation for the tweeter. I have not measured it yet.
Are you referring to the PnP passive crossover included in the Alpine HiFi Upgrade kit? I assumed it's little more than a cap, filtering a frequency shelf but does not provide any attenuation.