The exclusive convex honeycomb membrane is currently manufactured up to the size of 10 inches and consists of the best combination of flexural and torsional stiffness. It is indestructible even in case of very strong overload.


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 of 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 even at a
significant distance smaller. By doing research for larger bass
cones we found some interesting results.


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