Eighteen Sound 15NTLW3500

Subwoofer

15″ / 393 mm
Nominal diameter
46 Hz
Resonance
0.4
Q factor
97 dB
Sensitivity
± 8.3 mm
Linear excursion
1800 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
96.6
dB
Frequency response
40 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
9.40
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.40

Large signal parameters

Maximum linear excursion
xmax
8.3
mm
Air volume displaced at xmax
VD
731
cm³
Power handling
P
900
W
Program power
Pmax
1800
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.29
mH
VC Diameter
88
mm
Winding material
Aluminum

Magnet

Force factor
Bl
15.8
N/A
Motor constant
Bl/√RE
8.97
N/√W
Material
Neodymium

Diaphragm

Effective diameter
335
mm
Effective area
SD
881
cm²
Moving mass
MMS
115
g
Moving mass (without air load)
MMD
96.8
g
Material
Weather protected

Suspensions

Stiffness
KMS
9.62
N/mm
Compliance
CMS
104
µm/N
Equivalent volume to the compliance
VAS
115
L
Mechanical resistance
RMS
3.54
N·s/m

Dimensions

Nominal diameter
15
393
mm
Overall diameter
393
mm
Baffle cutout diameter
357
mm
Overall depth
229
mm
Flange thickness
13
mm
Mounting depth
216
mm
Volume occupied by the driver (estimated)
3.8
L
Net weight
5.1
kg
Eighteen Sound 15NTLW3500 Impedance
Eighteen Sound 15NTLW3500 SPL
Eighteen Sound 15NTLW3500 Dimensions

Export this driver to a simulation software:

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