Eighteen Sound 15W750

4Ω
8Ω

Subwoofer

15″ / 380 mm
Nominal diameter
39 Hz
Resonance
0.29
Q factor
97 dB
Sensitivity
± 8 mm
Linear excursion
1200 W
Program Power
Eighteen Sound 15W750 SubwooferEighteen Sound 15W750 Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
96.6
dB
Frequency response
40 - 4300
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
6.20
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29

Large signal parameters

Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
680
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
2.7
Ω
Inductance (1kHz)
LE
0.73
mH
VC Diameter
75
mm
Winding material
Aluminum

Magnet

Force factor
Bl
14.0
N/A
Motor constant
Bl/√RE
8.52
N/√W
Material
Ferrite

Diaphragm

Effective diameter
329
mm
Effective area
SD
850
cm²
Moving mass
MMS
89.5
g
Moving mass (without air load)
MMD
72
g

Suspensions

Stiffness
KMS
5.38
N/mm
Compliance
CMS
186
µm/N
Equivalent volume to the compliance
VAS
253
L
Mechanical resistance
RMS
3.54
N·s/m

Dimensions

Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
184
mm
Flange thickness
13
mm
Mounting depth
171
mm
Volume occupied by the driver (estimated)
4.3
L
Net weight
7.9
kg
Impedance
SPL
Eighteen Sound 15W750 Impedance
Eighteen Sound 15W750 SPL
Eighteen Sound 15W750 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

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fS
38 Hz
SD
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38 - 4400 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
8.66
Pmax
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SD
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fS
36 Hz
SD
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QTS
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xmax
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Bl/√RE
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Pmax
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