I'm picking up a mint Speedwoofer 10U on the 6th and was wondering for those who have had the pleasure of hearing the 10U what are your thoughts? I know they used a beefy 375w RMS Class a/b analog amp. The driver is said to be overbuilt. I've saw guys say it's the only sub they found even up to $3500 that could keep up with their Magnepans. This will be my first quality subwoofer after having a Jamo C912 and older AR 12in subs