Eighteen Sound 15NLW9300
Subwoofer
15″ / 380 mm
Nominal diameter
39 Hz
Resonance
0.26
Q factor
97 dB
Sensitivity
± 8 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.0
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
6.70
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
680
cm³
Power handling
P
800
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.95
mH
VC Diameter
100
mm
Winding material
Aluminum
Magnet
Force factor
Bl
24.4
N/A
Motor constant
Bl/√RE
9.96
N/√W
Material
Neodymium
Diaphragm
Effective diameter
329
mm
Effective area
SD
850
cm²
Moving mass
MMS
107
g
Moving mass (without air load)
MMD
89.7
g
Material
Weather protected
Suspensions
Stiffness
KMS
6.41
N/mm
Compliance
CMS
156
µm/N
Equivalent volume to the compliance
VAS
170
L
Mechanical resistance
RMS
3.91
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
387
mm
Baffle cutout diameter
353
mm
Overall depth
174
mm
Flange thickness
19
mm
Mounting depth
155
mm
Volume occupied by the driver (estimated)
3.8
L
Net weight
6.8
kg
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