DB Drive WDX8G0.2

2x2Ω
2x4Ω

Subwoofer

8″ / 200 mm
Nominal diameter
42 Hz
Resonance
0.41
Q factor
84 dB
Sensitivity
± 11 mm
Linear excursion
800 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
83.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
42.1
Hz
Mechanical quality factor
QMS
2.65
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.41

Large signal parameters

Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
232
cm³
Power handling
P
400
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.6
Ω
Inductance (1kHz, in series, estimated)
LE
0.8
mH
VC Diameter
51
mm

Magnet

Force factor (in series)
Bl
13.7
N/A
Motor constant
Bl/√RE
7.22
N/√W

Diaphragm

Effective diameter
164
mm
Effective area
SD
211
cm²
Moving mass
MMS
94.9
g
Moving mass (without air load)
MMD
92.6
g
Material
Reinforced paper

Suspensions

Stiffness
KMS
6.62
N/mm
Compliance
CMS
151
µm/N
Equivalent volume to the compliance
VAS
9.55
L
Mechanical resistance
RMS
9.46
N·s/m

Dimensions

Nominal diameter
8
200
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:

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