michael chuaNovember 2, 2020Drivers Thiele & Small, PRO DRIVERS10CX, Coaxial, Eminence Eminence Beta 10CX Published Specs Thiele & Small Parameters (before Break-in) Sealed Box=27 liters • F3=91Hz • Q=0.69 (Manufacturer’s T/S) Ported Box=45 liters • Fb=53Hz (Manufacturer’s T/S) Ported Box=52liters • Fb=53Hz (Manufacturer’s T/S) Updated on Dec 5, 2023