DB Drive WDX18G5.2
Subwoofer
18″ / 450 mm
Nominal diameter
32 Hz
Resonance
0.62
Q factor
89 dB
Sensitivity
± 25 mm
Linear excursion
6000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
31.6
Hz
Mechanical quality factor
QMS
4.48
Electrical quality factor
QES
0.72
Total quality factor
QTS
0.62
Large signal parameters
Maximum linear excursion
xmax
25.0
mm
Air volume displaced at xmax
VD
3061
cm³
Power handling
P
3000
W
Program power
Pmax
6000
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
4.0
Ω
Inductance (1kHz, in series, estimated)
LE
2.42
mH
VC Diameter
76
mm
Former material
Anodized aluminum
Magnet
Force factor (in series)
Bl
23.01
N/A
Motor constant
Bl/√RE
11.5
N/√W
Diaphragm
Effective diameter
395
mm
Effective area
SD
1224
cm²
Moving mass
MMS
481.2
g
Moving mass (without air load)
MMD
451
g
Material
Non-Pressed paper
Suspensions
Stiffness
KMS
18.87
N/mm
Compliance
CMS
53
µm/N
Equivalent volume to the compliance
VAS
113
L
Mechanical resistance
RMS
21.3
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
18
″
450
mm
Overall diameter
469
mm
Baffle cutout diameter
422
mm
Mounting depth
250
mm
Volume occupied by the driver (estimated)
7.4
L
Frame material
Aluminium
Export this driver to a simulation software:
WinISD
Basta!
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QSpeakers
SpeakerSim
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fS
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SD
1210 cm²
QTS
0.50
xmax
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SPL1W
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Bl/√RE
11
Pmax
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fS
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SD
1210 cm²
QTS
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xmax
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Bl/√RE
11
Pmax
3500 W