A: Yes. VituixCAD (free) offers similar crossover optimization. BassBox Pro 6 (paid, $150) is easier for enclosures. However, neither matches LEAP’s thermal voice coil modeling.
Since you need the but cannot buy it new, follow these ethical acquisition paths: A: Yes
: Offered tools for designing analog passive/active filters and digital FIR/IIR filters based on measured response data. He was close
: Professional designers now often look to replacements like the IMP Box from Physical Lab $150) is easier for enclosures.
Elias stared at the screen, the smell of solder and stale coffee hanging heavy in the air. He was close. He could feel it. For six months, he had been trying to design a subwoofer cabinet for a local jazz club that could hit a clean 25Hz without turning the bass into a muddy rumble. He had built four prototypes. All had failed. The physics just weren't translating from his scratchpad calculations to the plywood boxes cluttering his garage.