michael chuaJanuary 5, 2024Drivers Thiele & Small, PRO DRIVERS8", Celestion, Pro Woofer, TF0818 Celestion TF0818 Thiele & Small Parameters (before Break-in) Ported Box=20 liters • Fb=85Hz (Manufacturer’s T/S) Ported Box=20 liters • Fb=85Hz (DATS T/S) Sealed Box=6 liters • F3=165Hz • Q=0.70 (Manufacturer’s T/S)