The 18FH2400 folded horn subwoofer has been tested to be a perfect replacement for many folded horn subwoofer enclosures. The 18FH2400 has a uniquely designed basket that makes it stronger than the average subwoofer, and sports a durable 4" voice coil. The Dual spider and M-roll surround offer precise movement along its 7mm Xmax.
Power Handling (RMS)1,200 Watts
Power Handling (max)2,400 Watts
Frequency Response35 to 3,000 Hz
Sensitivity98 dB 2.83V/1m
Voice Coil Diameter4"
Resonant Frequency (Fs)31.3 Hz
DC Resistance (Re)5.2 ohms
Voice Coil Inductance (Le)1.77 mH
Mechanical Q (Qms)24.83
Electromagnetic Q (Qes)0.40
Total Q (Qts)0.39
Compliance Equivalent Volume (Vas)12.8 ft.³
Mechanical Compliance of Suspension (Cms)0.156 mm/N
BL Product (BL)20.65 Tm
Diaphragm Mass Inc. Airload (Mms)165.21g
Maximum Linear Excursion (Xmax)7 mm
Surface Area of Cone (Sd)1,288 cm²
Materials of Construction
Voice Coil Wire MaterialCopper
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialCast Aluminum
Overall Outside Diameter18.7"
Baffle Cutout Diameter16.2"
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)