8″ / 222 mm
Nominal diameter
39 Hz
Resonance
0.62
Q factor
82 dB
Sensitivity
± 12.5 mm
Linear excursion
1600 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.4
dB
Frequency response
20 - 900
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
3.88
Electrical quality factor
QES
0.73
Total quality factor
QTS
0.62
Large signal parameters
Maximum linear excursion
xmax
12.5
mm
Air volume displaced at xmax
VD
318
cm³
Power handling
P
800
W
Program power
Pmax
1600
W
Voice Coil
Nominal impedance
Z
2
Ω
DC resistance
RE
1.7
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
130
mm
Winding height
HVC
37
mm
Winding material
Hexatech™ Aluminum
Former material
Titanium
Magnet
Flux density
B
0.64
T
Force factor
Bl
7.8
N/A
Motor constant
Bl/√RE
5.98
N/√W
Air gap height
HAG
12
mm
Material
Double Magnet Vented
Diaphragm
Effective diameter
180
mm
Effective area
SD
254
cm²
Moving mass
MMS
107
g
Moving mass (without air load)
MMD
104.1
g
Material
Carbon-fiber laminated paper
Suspensions
Stiffness
KMS
5.26
N/mm
Compliance
CMS
190
µm/N
Equivalent volume to the compliance
VAS
17
L
Mechanical resistance
RMS
5.49
N·s/m
Dimensions
Nominal diameter
8
″
222
mm
Overall diameter
222
mm
Baffle cutout diameter
200
mm
Mounting depth
120
mm
Volume occupied by the driver
2.0
L
Net weight
6.1
kg
Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
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Cerwin Vega ST104D2 x 4 Ω
10″Subwoofer
fS
35 Hz
SD
330 cm²
QTS
0.52
xmax
16.4 mm
SPL1W
83 dB
Bl/√RE
8.0
Pmax
1600 W
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