Our sandwich membranes consist of three- or four-layered kevlar composite material with a honeycomb core and are developed for optimum bass performance.




With CVD diamond and alpha corundum ceramics we have already two of the very best membrane materials on earth, so why search for a new one?

The largest ceramic dome, which we are able to produce without suffering any loss of quality has a maximum diameter of 160 mm. It is used for example for our C220- series. The diameter of our diamond dome is significantly smaller.

Conducting research for the development of larger bass cones, we discovered some interesting solutions.

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