Eighteen Sound 15NLW9401

Subwoofer

15″ / 380 mm
Nominal diameter
40 Hz
Resonance
0.25
Q factor
95 dB
Sensitivity
± 10 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
95.3
dB
Frequency response
37 - 2300
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
6.14
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
850
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
2.8
Ω
Inductance (1kHz)
LE
1.23
mH
VC Diameter
100
mm
Winding material
Copper

Magnet

Force factor
Bl
20.0
N/A
Motor constant
Bl/√RE
12.0
N/√W
Material
Neodymium

Diaphragm

Effective diameter
329
mm
Effective area
SD
850
cm²
Moving mass
MMS
150
g
Moving mass (without air load)
MMD
132.5
g
Material
Weather protected

Suspensions

Stiffness
KMS
9.43
N/mm
Compliance
CMS
106
µm/N
Equivalent volume to the compliance
VAS
114
L
Mechanical resistance
RMS
6.14
N·s/m
Spider material
Double Silicon

Dimensions

Nominal diameter
15
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
180
mm
Flange thickness
12
mm
Mounting depth
168
mm
Volume occupied by the driver (estimated)
4.1
L
Net weight
7.5
kg
Eighteen Sound 15NLW9401 Impedance
Eighteen Sound 15NLW9401 SPL
Eighteen Sound 15NLW9401 Dimensions

Export this driver to a simulation software:

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