Thanks Wayne,
the Zobel RC damper makes it behave really nice with a slope maybe bigger than second order/12dB because of natural woofer fall-off after 2K.
Tuffer, with patience you will end up with a hell of a speaker.
Use filament light bulbs, not leds.
Best Regardshttp://www.amazon.com/3A-Racing-47-21122-Bulbs-211-2/dp/B00029J0JG
http://www.donsbulbs.com/cgi-bin/r/b.pl/211-2%7C12.8v%7C0.97a~usa.html