Help ! I have an existing 4 ohm cabinet, and I would like to add a Le-Son TLX-1 Piezo tweeter to it. Can someone explain to me how to do the wiring. SWR uses the Le-Son TLX-1 Piezo tweeter alot, and I don't think a passive crossover is used by SWR. Any ideas how SWR does the wiring for the Workingmans extension cabinets? Thanks for any help!