Eighteen Sound 18LW2400 8Ω

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
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
96.0
dB
Frequency response
31 - 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
Air volume displaced at xmax
VD
1164
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
Material
Ferrite

Diaphragm

Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
192
g
Moving mass (without air load)
MMD
162.3
g
Material
Weather protected

Suspensions

Stiffness
KMS
9.26
N/mm
Compliance
CMS
108
µm/N
Equivalent volume to the compliance
VAS
230
L
Mechanical resistance
RMS
5.86
N·s/m

Dimensions

Nominal diameter
18
460
mm
Overall diameter
462
mm
Baffle cutout diameter
416
mm
Overall depth
214
mm
Flange thickness
24
mm
Mounting depth
190
mm
Volume occupied by the driver (estimated)
7.2
L
Net weight
12.75
kg
Eighteen Sound 18LW2400 8Ω Impedance
Eighteen Sound 18LW2400 8Ω SPL
Eighteen Sound 18LW2400 8Ω Dimensions

Export this driver to a simulation software:

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