michael chuaApril 27, 2018PRO DRIVERS12", 55-2982, MCM, Pro Woofer MCM 55-2982 Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Sealed Box=75 liters • F3=62Hz • Q=0.66 (Manufacturer’s T/S) Sealed Box=75 liters • F3=46Hz • Q=0.64 (DATS x0.57) Sealed Box=75 liters • F3=46Hz • Q=0.81 (DATS x0.75) Ported Box=75 liters • Fb=35Hz • Q=0.66 (Manufacturer’s T/S) Ported Box=75 liters • Fb=30Hz • Q=0.64 (DATS x0.57) Ported Box=75 liters • Fb=35Hz • Q=0.81 (DATS x0.75) Updated on Dec 6, 2023