[. . . ] [. . . ] Ceiling Speaker Technical Specifications Dimensions Unit: mm VXC8-VA/VXC8-VAW VXC8-VA/VXC8-VAW VXC6-VA/VXC6-VAW ZK72360 On-axis Frequency Response (1W / 1m) VXC6-VA/VXC6-VAW O-Ring VXC8-VA/VXC8-VAW VXC6-VA/VXC6-VAW Yamaha Corporation Nakazawa-cho 10-1, Naka-ku, Hamamatsu, Japan 430-8650 14 0359-CPR-00405 EN 54-24 0359-CPR-00405 Loudspeaker for voice alarm systems for fire detection and fire alarm systems for buildings Essential characteristics Performance Performance under fire condition Pass Operational reliability Pass Durability of operational reliability: temperature resistance Pass Durability of operational reliability: humidity resistance Pass Durability of operational reliability: corrosion resistance Pass Durability of operational reliability: impact and vibration resistance Pass Tile Rail C. S. G. , PA Development Division © 2014 Yamaha Corporation Published 08/2014 YKCR-A1 Printed in Indonesia [. . . ] [. . . ]