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3
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Diameter
5.0 in
6.5 in
8.0 in
10.0 in
12.0 in
15.0 in
18.0 in
21.0 in
More filters
Sensitivity
From 92.0 dB to 94.5 dB
From 96.0 dB to 97.0 dB
From 98.0 dB to 100.0 dB
From 100.0 dB on
Application
Woofer
Subwoofer
Mid bass
Midrange
Fullrange
Magnet and Material Type
Ferrite
Neo
Voice Coil Diameter
From 1.0 inch to 2.0 inch
From 2.0 inch to 3.0 inch
From 3.0 inch to 4.0 inch
From 4.0 inch to 5.0 inch
From 5.0 inch to 6.0 inch
Xvar
3.0
5.0
5.9
6.1
6.5
7.0
7.4
7.5
8.0
8.5
9.5
12.0
12.5
15.0
16.0
17.0
19.0
25.0
Continuous Power Handling
Up to 240.0 W
From 250.0 W to 300.0 W
From 350.0 W to 500.0 W
From 550.0 W to 700.0 W
From 800.0 W to 1000.0 W
From 1000.0 W to 2000.0 W
From 4100.0 W on
From 3000.0 W to 4000.0 W
Resonance Frequency
From 29.0 Hz to 39.0 Hz
From 40.0 Hz to 49.0 Hz
From 50.0 Hz to 59.0 Hz
From 60.0 Hz to 70.0 Hz
From 70.0 Hz on
impedance
1.0 Ω
2.0 Ω
4.0 Ω
8.0 Ω
16.0 Ω
Technology
ISV - Interleaved Sandwich Voice Coil
TTC - Tetracoil Double Voice Coil
SDR - Single Demodulating Ring
DDR - Double Demodulating Rings
ACS - Active cooling System
AIC - Active Impedance Control
EWAL - Edge Wound Aluminum Voice Coil
TPM - True Piston Motion
3P - Proprietary Phase Plug
DSS - Double Silicon Spider
TSS - Triple Silicon Spider
ESS - Elliptical Shape
iD - Class D Optimization
IPAL
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Products
LF drivers
18NLS4000
Drawing
Datasheet
compare
4Ω
18NLS4000 4Ω
18.0
In
18NLS4000
18NLS4000
18.0
In
4Ω
18NLS4000 4Ω
compare
Drawing
Datasheet
Features
Technologies
ISV - Interleaved Sandwich Voice Coil
SDR - Single Demodulating Ring
Specifications
Design
Parameters
Mounting and Shipping Info
Nominal Impedance
4 Ω
Minimum Impedance
3.5 Ω
Nominal Power Handling
1
1200 W
Continuous Power Handling
2
2400 W
Sensitivity
3
88.0 dB
Frequency Range
28 - 500 Hz
Voice Coil Diameter
100 mm (4.0 in)
Winding Depth
52.0 mm (2.05 in)
Magnetic Gap Depth
15.0 mm (0.59 in)
Surround Shape
Single roll - High quality foam
Cone Shape
Straight
Magnet Material
Neo
Woofer Cone Treatment
Reinforced, water repellent, treated paper
Recommended Enclosure
100.0 dm
3
(3.53 ft
3
)
Recommended Tuning
28 Hz
Resonance Frequency
27 Hz
Re
2.9 Ω
Qes
0.36
Qms
13.7
Qts
0.35
Vas
168.0 dm
3
(5.93 ft
3
)
Sd
1225.0 cm
2
(189.88 in
2
)
η₀
0.9 %
Xmax
22.3 mm
Xvar
25.0 mm
Mms
433.0 g
Bl
24.2 Txm
Le
2.6 mH
EBP
75 Hz
Overall Diameter
462 mm (18.19 in)
Bolt Circle Diameter
439 mm (17.28 in)
Baffle Cutout Diameter
420.0 mm (16.54 in)
Depth
250 mm (9.84 in)
Flange and Gasket Thickness
24 mm (0.94 in)
Net Weight
12.0 kg (26.46 lb)
Shipping Weight
12.8 kg (28.22 lb)
2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated minimum impedance. Loudspeaker in free air.
Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
