DB Drive WDX12G0.4
Subwoofer
12″ / 304 mm
Nominal diameter
35 Hz
Resonance
0.55
Q factor
85 dB
Sensitivity
± 14 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
34.8
Hz
Mechanical quality factor
QMS
2.88
Electrical quality factor
QES
0.67
Total quality factor
QTS
0.55
Large signal parameters
Maximum linear excursion
xmax
14.0
mm
Air volume displaced at xmax
VD
742
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.8
Ω
Inductance (1kHz, in series, estimated)
LE
2.69
mH
VC Diameter
64
mm
Magnet
Force factor (in series)
Bl
23.11
N/A
Motor constant
Bl/√RE
8.86
N/√W
Diaphragm
Effective diameter
260
mm
Effective area
SD
530
cm²
Moving mass
MMS
241.7
g
Moving mass (without air load)
MMD
233
g
Material
Reinforced paper
Suspensions
Stiffness
KMS
11.49
N/mm
Compliance
CMS
87
µm/N
Equivalent volume to the compliance
VAS
34.6
L
Mechanical resistance
RMS
18.37
N·s/m
Dimensions
Nominal diameter
12
″
304
mm
Overall diameter
315
mm
Baffle cutout diameter
276
mm
Mounting depth
166
mm
Volume occupied by the driver (estimated)
2.6
L
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10″Subwoofer
fS
32 Hz
SD
363 cm²
32 - 200 Hz
QTS
0.49
xmax
11.0 mm
SPL1W
86 dB
Bl/√RE
7.16
Pmax
750 W