My friend and I recently got into a good discussion about woofer and subwoofer sizes and how they react in free air environments vs ported and sealed type speaker cabinets. So here is where the fun started. He said that 10" woofers and subwoofers are the best size for any low frequency application and can not suffer from major cone excursion. My argument was that the surround material and spider is usually made to be more stiff for different applications on most woofers. He insisted that larger woofers can never have a better bass response due to cone size as well. I can understand his views for possibly 15" or ever 18" woofers but I have never had any issues with any of the speakers I have that use 12" woofers. I don't see how adding 2" to the cone of a woofer could make that much of a difference?