15″ / 380 mm
Nominal diameter
44 Hz
Resonance
0.39
Q factor
94 dB
Sensitivity
± 9 mm
Linear excursion
3000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
48 - 2200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
9.80
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
793
cm³
Power handling
P
1500
W
Program power
Pmax
3000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.5
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
100
mm
Magnet
Force factor
Bl
18.0
N/A
Motor constant
Bl/√RE
11.4
N/√W
Diaphragm
Effective diameter
335
mm
Effective area
SD
881
cm²
Moving mass
MMS
177
g
Moving mass (without air load)
MMD
158.8
g
Material
Water,UV repellent
Suspensions
Stiffness
KMS
13.51
N/mm
Compliance
CMS
74
µm/N
Equivalent volume to the compliance
VAS
80
L
Mechanical resistance
RMS
4.99
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
245
mm
Flange thickness
12
mm
Mounting depth
233
mm
Volume occupied by the driver (estimated)
7.0
L
Net weight
12.5
kg
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SpeakerbenchSimilar subwoofers to Eighteen Sound 15TLW3000
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15″Subwoofer
fS
41 Hz
SD
880 cm²
40 - 1500 Hz
QTS
0.36
xmax
14.5 mm
SPL1W
94 dB
Bl/√RE
11
Pmax
3200 W
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15″Low frequency
fS
40 Hz
SD
855 cm²
40 - 2500 Hz
QTS
0.32
xmax
10.1 mm
SPL1W
94 dB
Bl/√RE
10
Pmax
2000 W
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15″Woofer
fS
44 Hz
SD
890 cm²
40 - 3500 Hz
QTS
0.35
xmax
6.5 mm
SPL1W
95 dB
Bl/√RE
11
Pmax
1600 W