15″ / 380 mm
Nominal diameter
37 Hz
Resonance
0.6
Q factor
88 dB
Sensitivity
± 20 mm
Linear excursion
2500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.3
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
37.4
Hz
Mechanical quality factor
QMS
7.50
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.60
Large signal parameters
Maximum linear excursion
xmax
20.0
mm
Air volume displaced at xmax
VD
1648
cm³
Power handling
P
1250
W
Program power
Pmax
2500
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
6.0
Ω
Inductance (1kHz, in series, estimated)
LE
2.91
mH
VC Diameter
76
mm
Former material
Anodized aluminum
Magnet
Force factor (in series)
Bl
26.89
N/A
Motor constant
Bl/√RE
11.0
N/√W
Diaphragm
Effective diameter
324
mm
Effective area
SD
824
cm²
Moving mass
MMS
336
g
Moving mass (without air load)
MMD
318.8
g
Material
Non-Pressed paper
Suspensions
Stiffness
KMS
18.52
N/mm
Compliance
CMS
54
µm/N
Equivalent volume to the compliance
VAS
52
L
Mechanical resistance
RMS
10.53
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
399
mm
Baffle cutout diameter
355
mm
Mounting depth
216
mm
Volume occupied by the driver (estimated)
4.9
L
Frame material
Aluminium
Export this driver to a simulation software:
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to DB Drive WDX15G2.2
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