michael chuaMay 6, 2018HIFI DRIVERS10", 127H1, JBL, Woofer Thiele & Small Parameters (before Break-in) Ported Box=65 liters • Fb=35Hz (Manufacturer’s T/S) JBL4410 BOX (65L) Ported Box=65 liters • Fb=30Hz (DATS T/S) Ported Box=100 liters • Fb=25Hz (Manufacturer’s T/S) Ported Box=100 liters • Fb=30Hz (DATS T/S) Updated on Dec 8, 2023