michael chuaJuly 18, 2020Drivers Thiele & Small, PRO DRIVERS12", Dayton, PA310, Pro Woofer Dayton PA310-8 Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Ported Box=45 liters • Fb=55Hz (Manufacturer’s T/S) Ported Box=45 liters • Fb=43Hz (DATS x0.75) Ported Box=60 liters • Fb=50Hz (Manufacturer’s T/S) Ported Box=60 liters • Fb=40Hz (DATS x0.75) Updated on Dec 5, 2023