按照厂家的说法仍是使用镁质振膜,而且目前是独一无二。该单元具有高刚性和良好的内阻尼特性: SEAS is the only loudspeaker company in the world to offer high purity, die-cast and machined magnesium cones. These cones feature extremely high stiffness along with good internal damping. SEAS Excel Magnesium cone drivers are world renowned for their high definition, low distortion and sound reproduction.