DB Drive WDX15G3.4
Subwoofer
15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.83
Q factor
86 dB
Sensitivity
± 23 mm
Linear excursion
4000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
34.8
Hz
Mechanical quality factor
QMS
4.74
Electrical quality factor
QES
1.00
Total quality factor
QTS
0.83
Large signal parameters
Maximum linear excursion
xmax
23.0
mm
Air volume displaced at xmax
VD
1910
cm³
Power handling
P
2000
W
Program power
Pmax
4000
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
3.25
mH
VC Diameter
76
mm
Former material
Anodized aluminum
Magnet
Force factor (in series)
Bl
22.5
N/A
Motor constant
Bl/√RE
8.89
N/√W
Diaphragm
Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
361
g
Moving mass (without air load)
MMD
343.7
g
Material
Non-Pressed paper
Suspensions
Stiffness
KMS
17.24
N/mm
Compliance
CMS
58
µm/N
Equivalent volume to the compliance
VAS
56.7
L
Mechanical resistance
RMS
16.63
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
15
″
381
mm
Overall diameter
399
mm
Baffle cutout diameter
218
mm
Mounting depth
349
mm
Volume occupied by the driver (estimated)
4.9
L
Frame material
Aluminium
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