Eighteen Sound 15W500

Subwoofer

15″ / 380 mm
Nominal diameter
50 Hz
Resonance
0.52
Q factor
97 dB
Sensitivity
± 4 mm
Linear excursion
500 W
Program Power
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
97.0
dB
Frequency response
50 - 4500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
9.64
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.52

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
340
cm³
Power handling
P
350
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.04
mH
VC Diameter
65
mm
Winding material
Aluminum

Magnet

Force factor
Bl
12.6
N/A
Motor constant
Bl/√RE
5.53
N/√W
Material
Ferrite

Diaphragm

Effective diameter
329
mm
Effective area
SD
850
cm²
Moving mass
MMS
55
g
Moving mass (without air load)
MMD
37.7
g

Suspensions

Stiffness
KMS
5.44
N/mm
Compliance
CMS
184
µm/N
Equivalent volume to the compliance
VAS
189
L
Mechanical resistance
RMS
1.79
N·s/m

Dimensions

Nominal diameter
15
380
mm
Overall diameter
387
mm
Baffle cutout diameter
353
mm
Overall depth
161
mm
Flange thickness
11
mm
Mounting depth
150
mm
Volume occupied by the driver (estimated)
2.7
L
Net weight
4.3
kg
Eighteen Sound 15W500 Impedance
Eighteen Sound 15W500 SPL
Eighteen Sound 15W500 Dimensions

Export this driver to a simulation software:

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