This site presents information about the Virtual Crossover, an improved version of the device first presented in a series of articles appearing in the May-July 2001 issues of the journal AudioXpress.

It also presents some information about hybrid electrostatic speaker systems, such as the one pictured on this page.

Please select from the following:

• Some information that might be useful for building hybrid electrostatic speaker systems.

• Photos and specifications for the Virtual Crossover.

• Read a software manual for the PC program that controls the Virtual Crossover.

• Descriptions of some applications of the Virtual Crossover (including a digital crossover for a hybrid electrostatic speaker system, such as pictured on this page).

• Some issues involved in numerical modeling of circuits for the Virtual Crossover.

• How to interface passive crossover circuit filters with real drivers for the Virtual Crossover.

• Read about a speaker system that was designed using the Virtual Crossover.

For more information about the Virtual Crossover and its status, or to discuss other audio related matters, please email Richard at: rkm@acoustic-instruments.com.