Originally Posted by
Hoerninger
Mini,
I do not feel offended. Due to what I have learned I know too well the modelling of horns is far from being satisfying.
And I can not see contradictions in judging using a corner or about mirroring.
Look at the premises: "... calculate the horn for 2/4/8 "virtual" drivers in parallel acting on that very horn, radiating into 4 PI". In practise you have one speaker and will have to decide whether it is in a corner or not.
My approach is very pragmatical, and so the last horn I built was much better than the first (ca.1965). And my theoretical insight today is better than way back.
Consider the wavelength of say 50 Hz which is ca. 7 m. If you take a small horn with a mouth area of for example 6000 cm2, the diameter is so small that I do not ponder about plane or spherical wavefronts.
Why hesitate about the theorie? It should not be a brake block.
Have you ever built a (bass) horn? And have you listened to a horn system? It is about the magic ...
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Peter