michael chuaJune 12, 2018HIFI DRIVERS8", Dayton, SD215A, Subwoofer Dayton SD215A-88 DVC Thiele & Small Voice Coils wired in Parallel (4Ω) Ported Box 40 liters. F3=33Hz Ported Box 27 liters. F3=40Hz Ported Box 24 liters. F3=40Hz Bandpass Box 25 liters. Fb=70Hz Triple Chamber Bandpass 50 liters. Fb=70Hz Bandpass Box 40 liters. F3=35Hz~90Hz. Q=0.69 Updated on Aug 10, 2018
