Calculates passive crossovers values needed for 6 dB, 12 dB and 18 dB/octave slopes. Design High-pass, Low-pass, Band-pass, Narrow bandwidth Band-pass and Zobal crossovers. New for version 1.13, added Linkwitz-Riley calculations for 12dB and 24dB slopes. This app is free with ads. The in-app purc...