What software can be used to calculate and plot power response for multi-way speakers based on driver sizes, relative locations of drivers on baffle, crossover frequency and type, baffle size/dimensions, etc.?
Boxsim from Visaton
v1
Software | Visaton
v2
First Development version of Boxsim in english language - Visaton Diskussionsforum
v1
Software | Visaton
v2
First Development version of Boxsim in english language - Visaton Diskussionsforum
there seem to be different opinions on how power curves is calculated, but i guess vituixcad can do it
If I read you correctly, you are looking for a modeling tool that estimates power response just from the baffle / drivers geometries and from the xover. I am not saying that this is not possible, but I wouldn't trust the results too much.
It would be better to determine the power response from measured SPL data as described here: https://www.princeton.edu/3D3A/Publications/Tylka_3D3A_DICalculation.pdf
I implemented this method in a GNU Octave (Matlab) program, which is available here: GitHub - mbrennwa/mat_lspr: m-file to calculate power response of a loudspeaker from sound-pressure measurements arranged along two orbits around the speaker.
VituixCAD also calculates power response. The results are similar, but not perfectly identical to mat_lspr, see here: VituixCAD
here is a document worth reading about spinorama graphs and their meanings, it takes 70 measurements to get the power response and the directivity index is the on-axis response minus the power response
https://www.sausalitoaudio.com/wp-content/uploads/2018/07/Interpreting-Spinorama-Charts.pdf
https://www.sausalitoaudio.com/wp-content/uploads/2018/07/Interpreting-Spinorama-Charts.pdf