18″ / 462 mm
Nominal diameter
39 Hz
Resonance
0.28
Q factor
95 dB
Sensitivity
± 14 mm
Linear excursion
3600 W
Program Power
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.9
dB
Frequency response
30 - 2300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
5.70
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.28
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
1582
cm³
Power handling
P
1800
W
Program power
Pmax
3600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
4.7
Ω
Inductance (1kHz)
LE
2.19
mH
VC Diameter
135
mm
Winding material
Aluminum
Magnet
Force factor
Bl
31.0
N/A
Motor constant
Bl/√RE
14.3
N/√W
Material
Neodymium
Diaphragm
Effective diameter
379
mm
Effective area
SD
1130
cm²
Moving mass
MMS
255
g
Moving mass (without air load)
MMD
227.7
g
Material
Water,UV repellent
Suspensions
Stiffness
KMS
15.39
N/mm
Compliance
CMS
65
µm/N
Equivalent volume to the compliance
VAS
120
L
Mechanical resistance
RMS
10.96
N·s/m
Dimensions
Nominal diameter
18
″
462
mm
Overall diameter
462
mm
Baffle cutout diameter
416
mm
Overall depth
236
mm
Flange thickness
26
mm
Mounting depth
210
mm
Volume occupied by the driver (estimated)
7.7
L
Net weight
12.8
kg
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Eighteen Sound 18NLW9601 8Ω
.png.webp)
15″Subwoofer
fS
36 Hz
SD
855 cm²
35 - 1500 Hz
QTS
0.29
xmax
10.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
2000 W
.png.webp)
15″Subwoofer
fS
39 Hz
SD
855 cm²
40 - 2000 Hz
QTS
0.29
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
1400 W
.png.webp)
RCF LF15Y4088 Ω
15″Subwoofer
fS
36 Hz
SD
900 cm²
30 - 1500 Hz
QTS
0.26
xmax
9.0 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
1600 W