"When Apollonius introduced conic sections, he demonstrated that it was not necessary for the plane intersecting the cone to be perpendicular to it. He went further to show that it could be an ...

All present TARs were designed with articulating surfaces that were either cylindrical or represent the surface of a truncated cone with its apex oriented medially. Recent studies by this team have ...

the bass performance advantages of a traditional straight conic cone with the midrange and high-end control of a flared cone." In terms of aesthetic, the UK speaker specialist says that the 3000c ...