8″ / 203 mm
Nominal diameter
42 Hz
Resonance
0.37
Q factor
83 dB
Sensitivity
± 11 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
41.7
Hz
Mechanical quality factor
QMS
2.23
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
215
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.8
Ω
Inductance (1kHz, in series, estimated)
LE
1.5
mH
VC Diameter
51
mm
Magnet
Force factor (in series)
Bl
19.49
N/A
Motor constant
Bl/√RE
7.47
N/√W
Diaphragm
Effective diameter
158
mm
Effective area
SD
195
cm²
Moving mass
MMS
93.3
g
Moving mass (without air load)
MMD
91.2
g
Material
Reinforced paper
Suspensions
Stiffness
KMS
6.41
N/mm
Compliance
CMS
156
µm/N
Equivalent volume to the compliance
VAS
8.42
L
Mechanical resistance
RMS
10.97
N·s/m
Dimensions
Nominal diameter
8
″
203
mm
Overall diameter
214
mm
Baffle cutout diameter
231
mm
Mounting depth
118
mm
Volume occupied by the driver (estimated)
0.98
L
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to DB Drive WDX8G0.4
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6.5″Woofer
fS
47 Hz
SD
124 cm²
30 - 600 Hz
QTS
0.43
xmax
10.9 mm
SPL1W
84 dB
Bl/√RE
5.18
Pmax
150 W
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