12″ / 304 mm
Nominal diameter
39 Hz
Resonance
0.53
Q factor
85 dB
Sensitivity
± 25 mm
Linear excursion
6000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
4.17
Electrical quality factor
QES
0.61
Total quality factor
QTS
0.53
Large signal parameters
Maximum linear excursion
xmax
25.0
mm
Air volume displaced at xmax
VD
1334
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
1.87
mH
VC Diameter
76
mm
Former material
Anodized aluminum
Magnet
Force factor (in series)
Bl
22.65
N/A
Motor constant
Bl/√RE
11.3
N/√W
Diaphragm
Effective diameter
261
mm
Effective area
SD
534
cm²
Moving mass
MMS
317.4
g
Moving mass (without air load)
MMD
308.3
g
Material
Non-Pressed paper
Suspensions
Stiffness
KMS
19.23
N/mm
Compliance
CMS
52
µm/N
Equivalent volume to the compliance
VAS
21
L
Mechanical resistance
RMS
18.67
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
12
″
304
mm
Overall diameter
329
mm
Baffle cutout diameter
284
mm
Mounting depth
204
mm
Volume occupied by the driver (estimated)
3.0
L
Frame material
Aluminium
Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to DB Drive WDX12G5.2
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