I'm building some speakers today(yay!) and I don't know enough about electronics to figure this out. I'm using three-way crossovers, and it has big resistors on it. Do I still need some for the piezo ...

Do Better Parts Matter in Loudspeaker Crossovers? Have you ever wondered how the tweeter and woofer have their responses combined in a speaker system, or what the crossover network is and how it works ...