1″ (25mm) ceramic dome, Ferrofluid-cooled, pivoting, in acoustic back chamber
4″ (102mm) Carbon fiber/Rohacell laminated cone with a rubber surround, pivoting
8″ (203mm) Carbon fiber/Rohacell laminated cone with a rubber surround, pivoting
6 ohms nominal; 4 ohms minimum
5 watts minimum; 175 watts maximum