Wayne Parham Messages: 18887 Registered: January 2001
Illuminati (33rd Degree)
Piezo tweeters act like capacitors, so series capacitors act like attenuators, series resistors act like low-pass filters and coils and transformers act like band-pass filters. The circuit you'll use depends on your requirements. They aren't harmed by using them with no crossover at all, so sometimes that's an option.