michael chuaApril 28, 2018Car Subwoofers12", Car Subwoofers, GXR124, Polk Audio Polk Audio GWR124 Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Sealed Box=55 liters • F3=40Hz • Q=0.87 (Manufacturer’s T/S) Sealed Box=75 liters • F3=39Hz • Q=0.79 (Manufacturer’s T/S) Sealed Box=100 liters • F3=39Hz • Q=0.722 (Manufacturer’s T/S) BandPass Box=85 liters • Fb=50Hz (Manufacturer’s T/S) Updated on Oct 26, 2023