ESX QXE8D2

Subwoofer

8″ / 200 mm
Nominal diameter
43 Hz
Resonance
0.32
Q factor
84 dB
Sensitivity
± 10 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
83.8
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
42.7
Hz
Mechanical quality factor
QMS
4.48
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Maximum excursion before damage
xlim
18.0
mm
Air volume displaced at xmax
VD
214
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
3.8
Ω
Inductance (1kHz, in series)
LE
2.26
mH
VC Diameter
64
mm
Winding height
HVC
36
mm
Former material
Aluminium

Magnet

Force factor (in series)
Bl
20.0
N/A
Motor constant
Bl/√RE
10.3
N/√W
Diameter
170
mm
Height
40
mm
Weight
3.572
kg

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
133.1
g
Moving mass (without air load)
MMD
130.7
g
Material
Non-pressed Paper

Suspensions

Stiffness
KMS
10.1
N/mm
Compliance
CMS
99
µm/N
Equivalent volume to the compliance
VAS
6.4
L
Mechanical resistance
RMS
7.97
N·s/m
Surround material
Foam
Spider material
Dual Nomex

Dimensions

Nominal diameter
8
200
mm
Overall diameter
220
mm
Baffle cutout diameter
183
mm
Mounting depth
138
mm
Volume occupied by the driver (estimated)
4.3
L
Net weight
9.5
kg
Frame material
Diecast Aluminium

Export this driver to a simulation software:

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DB Drive WDX8G0.4 Subwoofer
8Subwoofer
fS
42 Hz
SD
195 cm²
QTS
0.37
xmax
11.0 mm
SPL1W
83 dB
Bl/√RE
7.47
Pmax
800 W