$300 commitment per driver and need to have 8 sold before he buys all the parts needed. "The finished units should have 34mm one way Xmax with an Fs at around 16-18Hz. Qts should be around 0.5 using the same motor for the new 18" coming out" email Mark at sales@istonline.ca Mods, I don't know how these things work.. permission and so on. If it's an issue please PM me!