DB Drive WDX8G1.4

Subwoofer

8″ / 203 mm
Nominal diameter
56 Hz
Resonance
0.68
Q factor
82 dB
Sensitivity
± 12.5 mm
Linear excursion
1200 W
Program Power
DB Drive WDX8G1.4 SubwooferDB Drive WDX8G1.4 SubwooferDB Drive WDX8G1.4 Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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
81.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
55.7
Hz
Mechanical quality factor
QMS
6.23
Electrical quality factor
QES
0.76
Total quality factor
QTS
0.68

Large signal parameters

Maximum linear excursion
xmax
12.5
mm
Air volume displaced at xmax
VD
268
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
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
1.89
mH
VC Diameter
51
mm
Former material
Black Aluminum

Magnet

Force factor (in series)
Bl
21.1
N/A
Motor constant
Bl/√RE
8.34
N/√W

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
150.5
g
Moving mass (without air load)
MMD
148.1
g
Material
Non-Pressed paper

Suspensions

Stiffness
KMS
18.52
N/mm
Compliance
CMS
54
µm/N
Equivalent volume to the compliance
VAS
3.52
L
Mechanical resistance
RMS
8.45
N·s/m
Surround material
Foam

Dimensions

Nominal diameter
8
″
203
mm
Overall diameter
223
mm
Baffle cutout diameter
183
mm
Mounting depth
135
mm
Volume occupied by the driver (estimated)
1.1
L
Frame material
Aluminium
Impedance
Step response
Tone Burst
DatasheetDatasheet

Export this driver to a simulation software:

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DB Drive WDX6.5G1.4 Subwoofer
DB Drive  WDX6.5G1.42 x 4 Ω
6.5″Subwoofer
fS
59 Hz
SD
143 cm²
QTS
0.68
xmax
10.0 mm
SPL1W
81 dB
Bl/√RE
5.89
Pmax
600 W