Eighteen Sound 18W1001
Subwoofer
18″ / 460 mm
Nominal diameter
35 Hz
Resonance
0.23
Q factor
98 dB
Sensitivity
± 7 mm
Linear excursion
1400 W
Program Power
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.7
dB
Frequency response
37 - 4700
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
7.10
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.23
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
794
cm³
Power handling
P
1000
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
2.45
mH
VC Diameter
100
mm
Winding material
Copper
Magnet
Force factor
Bl
27.6
N/A
Motor constant
Bl/√RE
11.5
N/√W
Material
Ferrite
Diaphragm
Effective diameter
380
mm
Effective area
SD
1134
cm²
Moving mass
MMS
139
g
Moving mass (without air load)
MMD
111.6
g
Suspensions
Stiffness
KMS
6.71
N/mm
Compliance
CMS
149
µm/N
Equivalent volume to the compliance
VAS
268
L
Mechanical resistance
RMS
4.31
N·s/m
Spider material
Double Silicon
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
462
mm
Baffle cutout diameter
416
mm
Overall depth
205
mm
Flange thickness
19
mm
Mounting depth
186
mm
Volume occupied by the driver (estimated)
7.3
L
Net weight
13.6
kg
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Eighteen Sound 18W1001
.png.webp)
18″Subwoofer
fS
37 Hz
SD
1134 cm²
37 - 3000 Hz
QTS
0.25
xmax
7.0 mm
SPL1W
98 dB
Bl/√RE
11
Pmax
2400 W
.jpg.webp)
.jpg.webp)
18″Woofer
fS
36 Hz
SD
1110 cm²
40 - 2000 Hz
QTS
0.27
xmax
8.0 mm
SPL1W
97 dB
Bl/√RE
11
Pmax
1400 W