I’ll have to fire up Hornresp and refresh my memory.
Can you post up the parameters you’ve put in so far.
If you hover over or click on the parameter boxes there’s an explanation of each one.
The various wizards / calculators can be helpful too.
160Hz in Le Cleách will be pretty big!
Think about the next stage There is a fair amount of Le cleach models freely available on the Onshape public data forum
Looking at the way these are modeled is quite helpful learning 3d cad
below is one persons effort on the public inventory
Round, e-jmlc or IWATA?
I have gone for IWATA because the full round JMLC is just far too big, both in itself and with getting other drivers close!
I can probably work out a profile using his spreadsheets and send you a 3d model if you like
Hi Steve,
I just had a quick look at the data table, and I think it all makes sense today.
I was a bit off on friday, and I assumed the data was structured in order to build concatenated arcs to define the section spline. It is much simpler than that …
I hope that I can post some follow up loudspeaker horn photographs in the near future …
Best regards 
