Sundown Audio M-Series M18 18-inch 2000W RMS Power 1 Ohm DVC Car Subwoofer (NEW)

Sundown Audio M-Series Dual 1 Ohm Voice Coils Car Subwoofer
Model: M18D1
SOLD INDIVIDUALLY

2000W RMS
4000W MAX
Dual 1 Ohm Voice Coils
Laser-Etched All-Black Backplate
Quad Stack Magnet Structure
Treated Paper Cone
Mega Roll Surround

Special M-series magnet boot design
Features a hyper-extended pole and extreme clearances
Includes special winding density in the gap
Highly efficient high-stroke coil ventilation system
High-velocity pole vent, a heavily vented magnetic gap
Proprietary high-velocity cast-aluminum frame-base venting system
Magnet inner-diameter aluminum shorting ring
3″ High Temperature Aluminum Voice coil
4-Layer voice coil wound on a thick aluminum former
Xmax: 35mm
Made with proprietary Sundown PG linear suspension (fully computer optimized)
Mount Depth: 14.05″

SPECIFICATIONS
RE (Ohms): 2.12
FS (Hz): 26.152
VAS (L): 112.182
Qes: 0.782
Qms: 5.452
Qts: 0.684
Le (mH): 1.797
BL (NA): 17.044
Mms (Grams): 651.24
Cms (uM/N): 56.86
Sens (dB @ 1w/1m): 85.836
Xmax: 35mm

NOT RECOMMENDED for Sealed Enclosure

Ported Enclosure: 7.0 cu ft
Recommended Tuning: 32Hz
Recommended Port Area: 112 sq in
4th Order Sealed Side: 3.0 cu ft
4th Order Ported Side: 9.0 cu ft
4th Order Port Area: 180 sq in
4th Order Port Length: 8″
Displacement: 0.25 cu ft
Outside Diameter: 18.46″
Cut-Out: 16.68″