michael chuaApril 9, 2018PRO DRIVERS8", Dayton, PA200, Pro Woofer Frequency Response of Dayton PA200-8 Ported Box = 20 liters. Baffle Width = 10.5″ Fig 1 – Mic at 1 meter, Woofer axis. Impulse Window = 5ms. No Smoothing. Measurements below 500Hz are in Nearfield. Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Ported Box=20 liters • Fb=50Hz (Manufacturer’s T/S) Ported Box=20 liters • Fb=50Hz (DATS x0.87) Ported Box=20 liters • Fb=55Hz (DATS) Ported Box=24 liters • Fb=55Hz (Manufacturer’s T/S) Ported Box=24 liters • Fb=50Hz (DATS x0.87) Ported Box=25 liters • Fb=55Hz (DATS) Sealed Box=25 liters • F3=87Hz (DATS) Updated on Dec 7, 2023