Speaker materials have come a long way from the days of paper cones and rubber surrounds. Nowadays, you’re as likely to find to polyester film, aluminum titanium and even beryllium used to construct high-end speakers. But the audiophile world hasn’t stopped innovating yet. Canton’s latest loudspeakers feature tweeters built from aluminum oxide ceramic – a material second only to diamond in terms of hardness.
Why use ultra-tough materials for parts that will probably never touch so much as a human finger? To make them smaller. According to the German outfit, the new cones can be made with an even tighter curvature than the old aluminum-manganese style, giving them more “off-axis response linearity.” In listening terms, Canton says that translates to even less distortion at high volumes.
