michael chuaApril 28, 2018Car Subwoofers12", Car Subwoofers, GXR124, Polk Audio Polk Audio GWR124 Thiele & Small Parameters Measured Thiele & Small Parameters Recommended for In-Car Use Ported Box 100 liters. F3=35Hz Sealed Box 75 liters. F3=42Hz, Q=0.78 Sealed Box 100 liters. F3=42Hz, Q=0.72 Sealed Box 150 liters. F3 = 42Hz, Q=0.65 Ported Box 75 liters. F3 = 33Hz Ported Box 100 liters. F3=30Hz Ported Box 150 liters. F3=25Hz Bandpass Box 75 liters. F3=35Hz-100Hz Bandpass Box 90 liters. F3=30Hz-90Hz Updated on July 22, 2018
