Re: my intention is to build the visaton MB 115/B bass horn


Zeno

probably the light-cone Kappa Pro 15 with ~3mm xmax would do OK for the Viston horn - you're probably going to get ~300-350Hz HF corner then go into a slow slope region - in US, cast-frame "Pro" versions of Eminence cost about the same as stamped-frame models - mainly paying for magnet

best wishes!
Freddy


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