“MFC” is polypropylene, here mineral filled polypropylene as is for my reference ATS4 midrange drivers.

Having full symmetric drive and a proper ventilated magnet system, this driver provides a sonic signature very much like the AT 18H52 driver. I like it.

I’ve gotten used to it over the last 3 years. Good PP cones fitted into a proper magnet system and basket usually deliver some extra dynamic headroom compared to hard-cone drivers.

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