The latest addition to the popular Kappa series of drivers, Eminence's Kappa Pro 18LF provides tons of low frequency output in a lightweight, durable cast aluminum chassis. Use it as a subwoofer in small to medium sized boxes, a woofer in large 3-way PA enclosures, or as a high power bass guitar woofer. The 1,600 watt program power rating makes it an easy choice for new box designs or as a replacement for many single and double subwoofer cabinets.
3" voice coil allows high power handling and reliable performance
Cast aluminum frame can withstand the use of a harsh pro sound environment
Large spider and accordion surround allow high linear excursion
Optimized for compact vented enclosures
Power Handling (RMS)800 Watts
Power Handling (max)1600 Watts
Frequency Response38 to 700 Hz
Sensitivity98 dB 1W/1m
Voice Coil Diameter3"
Resonant Frequency (Fs)32 Hz
DC Resistance (Re)5.39 ohms
Voice Coil Inductance (Le)1.21 mH
Mechanical Q (Qms)10.66
Electromagnetic Q (Qes)0.34
Total Q (Qts)0.33
Compliance Equivalent Volume (Vas)13.83 ft.Â³
Mechanical Compliance of Suspension (Cms)0.21 mm/N
BL Product (BL)19.39 Tm
Diaphragm Mass Inc. Airload (Mms)119g
Maximum Linear Excursion (Xmax)8 mm
Surface Area of Cone (Sd)1159 cmÂ²
Materials of Construction
Voice Coil Wire MaterialCopper
Voice Coil FormerKaptonÂ® / Polyimide
Basket / Frame MaterialCast Aluminum
Overall Outside Diameter18"
Baffle Cutout Diameter16.58"
Bolt Circle Diameter17.25"
# Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)