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Eminence NSW-4018-8: 18 inch Neodymium Tour Grade Subwoofer

Price: $629.99 $579.99

18-inch Tour Grade – American Muscle Advanced FEA optimization tools were implemented on this next generation of touring grade worthy subwoofers by Eminence. The result is an extremely long throw, lightweight, and exceptionally high power handling driver with top notch performance in small to large vented enclosures.
1600 watts / 27-1.3kHz / 4″ voice coil
8 ohms
Die-cast Aluminum Basket
Neodymium Magnet. Only 20.9 lbs!

SKU: NSW-4018-8 Categories: , , ,

Description

Eminence NSW-4018-8: 18 inch Neodymium Tour Grade Subwoofer

18-inch Tour Grade – American Muscle Advanced FEA optimization tools were implemented on this next generation of touring grade worthy subwoofers by Eminence. The result is an extremely long throw, lightweight, and exceptionally high power handling driver with top notch performance in small to large vented enclosures.

Click Here to Download PDF Spec Sheet

Click Here to Download PDF Cabinet Design

SPECIFICATION
Nominal Basket Diameter 18″, 457 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 3200 W
Watts 1600 W
Resonance 36 Hz
Usable Frequency Range 27 Hz – 1.3 kHz
Sensitivity* 96.6 dB
Magnet Weight 33 oz.
Gap Height 0.5″, 12.7 mm
Voice Coil Diameter 4″, 102 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 36 Hz
DC Resistance (Re) 5.86 Ω
Coil Inductance (Le) 1.54m H
Mechanical Q (Qms) 8.46
Electromagnetic Q (Qes) 0.39
Total Q (Qts) 0.38
Compliance Equivalent Volume (Vas) 164.49 liters / 5.81 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 1851.1 cc
Mechanical Compliance of Suspension (Cms) 0.08 mm/N
BL Product (BL) 28.24 T-M
Diaphragm Mass Inc. Airload (MMs) 237 grams
Efficiency Bandwidth Product (EBP) 91
Maximum Linear Excursion (Xmax) 15.21 mm
Surface Area of Cone (Sd) 1217 cm2
Maximum Mechanical Limit (Xlim) 31.5 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed N/a
Vented 99.11-339.80 liters / 3.50-12.00 cu.ft.
Driver Volume Displaced 0.205 cu.ft. / 5.81 liters
Overall Diameter 18.13″, 460.5 mm
Baffle Hole Diameter 16.6″, 421.6 mm
Front Sealing Gasket YES
Rear Sealing Gasket N/A
Mounting Holes Diameter 0.28″, 7.1mm
Mounting Holes B.C.D. 17.32″, 439.9mm
Depth 8.9″, 226.1 mm
Net Weight 20.9 lbs, 9.48 kg
Shipping Weight 23.4 lbs, 10.61 kgs
MATERIALS OF CONSTRUCTION
Coil Construction I/O Copper voice coil
Coil Former Fiberglass former
Magnet Composition Neodymium magnet
Core Details Vented motor
Basket Materials Die-cast aluminum basket
Cone Composition X5 cone pulp
Cone Edge Composition Advanced Polycotton surround
Dust Cap Composition X5 dust cap pulp