QUALIA & COMPANY ( QUALIA JAPAN Co.,LTD) has decided to prepare two types of the top plate for DOGMA 600 after finding ideal vibration modes during its development process. DOGMA Basic Evolution : The combination of aluminium cutting and quartz glass /// Features : Expansive playback sound. DOGMA Carbon Neo : The combination of stacked dry carbon ( TORAY T-700) and quartz glass /// Features : High-speed playback sound.