Eighteen Sound 15NTLW3500 8Ω

Subwoofer

15″ / 393 mm
Nominal diameter
45 Hz
Resonance
0.39
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
97.0
dB
Frequency response
40 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
8.70
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.39

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
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.46
mH
VC Diameter
88
mm

Magnet

Force factor
Bl
19.5
N/A
Motor constant
Bl/√RE
8.55
N/√W
Material
Neodymium

Diaphragm

Effective diameter
335
mm
Effective area
SD
881
cm²
Moving mass
MMS
106
g
Moving mass (without air load)
MMD
87.8
g
Material
Water,UV repellent

Suspensions

Stiffness
KMS
8.48
N/mm
Compliance
CMS
118
µm/N
Equivalent volume to the compliance
VAS
131
L
Mechanical resistance
RMS
3.44
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 8Ω Impedance
Eighteen Sound 15NTLW3500 8Ω SPL
Eighteen Sound 15NTLW3500 8Ω Dimensions

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to Eighteen Sound 15NTLW3500 8Ω

P.Audio 15NX-76MB Low frequency
15Low frequency
fS
47 Hz
SD
855 cm²
40 - 4000 Hz
QTS
0.41
xmax
4.8 mm
SPL1W
98 dB
Bl/√RE
7.94
Pmax
1100 W
Oberton 15NCX Coaxial
15Coaxial
fS
44 Hz
SD
829 cm²
50 - 16000 Hz
QTS
0.36
xmax
7.8 mm
SPL1W
96 dB
Bl/√RE
8.21
Pmax
900 W