I just made myself a sonosub for my tempest driver that I bought from Bob Reimer, a canadian adire distributor. It seems that my sub that i received is faulty. See my Faulty Tempest post. Ive been waiting so long to hear this thing, and it sounded like crap. I will keep u guys updated on how he handles the situation, as it might affect your decision on whether or not to buy from him.