Eighteen Sound 18LW2400WP

Subwoofer

18″ / 460 mm
Nominal diameter
35 Hz
Resonance
0.31
Q factor
96 dB
Sensitivity
± 9.5 mm
Linear excursion
2400 W
Program Power
Discontinued
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.9
dB
Frequency response
30 - 2500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
7.20
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.31

Large signal parameters

Maximum linear excursion
xmax
9.5
mm
Maximum excursion before damage
xlim
25.0
mm
Air volume displaced at xmax
VD
1159
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.35
mH
VC Diameter
100
mm
Winding material
Copper

Magnet

Force factor
Bl
25.6
N/A
Motor constant
Bl/√RE
11.4
N/√W

Diaphragm

Effective diameter
394
mm
Effective area
SD
1220
cm²
Moving mass
MMS
192
g
Moving mass (without air load)
MMD
162.4
g
Material
Composite

Suspensions

Stiffness
KMS
9.17
N/mm
Compliance
CMS
109
µm/N
Equivalent volume to the compliance
VAS
230
L
Mechanical resistance
RMS
5.86
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
18
460
mm
Overall diameter
462
mm
Baffle cutout diameter
422
mm
Overall depth
214
mm
Flange thickness
25
mm
Mounting depth
189
mm
Volume occupied by the driver (estimated)
6.9
L
Net weight
11.9
kg
Eighteen Sound 18LW2400WP Impedance
Eighteen Sound 18LW2400WP SPL
Eighteen Sound 18LW2400WP Dimensions

Export this driver to a simulation software:

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