LaVoce WSF081.82
Woofer
8″ / 200 mm
Nominal diameter
79 Hz
Resonance
0.38
Q factor
94 dB
Sensitivity
± 4.6 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.0
dB
Frequency response
80 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
79.0
Hz
Mechanical quality factor
QMS
2.95
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
4.6
mm
Maximum excursion before damage
xlim
7.1
mm
Air volume displaced at xmax
VD
108
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.49
mH
VC Diameter
45
mm
Winding height
HVC
12.2
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
11.25
N/A
Motor constant
Bl/√RE
4.71
N/√W
Air gap height
HAG
6
mm
Diameter
130
mm
Height
18
mm
Material
Ferrite
Diaphragm
Effective diameter
173
mm
Effective area
SD
235
cm²
Moving mass
MMS
19.4
g
Moving mass (without air load)
MMD
16.9
g
Material
Water Proof Treated Paper
Suspensions
Stiffness
KMS
4.79
N/mm
Compliance
CMS
209
µm/N
Equivalent volume to the compliance
VAS
16.3
L
Mechanical resistance
RMS
3.26
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
8
″
200
mm
Volume occupied by the driver
0.8
L
Net weight
2.3
kg
Frame material
Steel
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SpeakerbenchSimilar woofers to LaVoce WSF081.82
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8″Coaxial
fS
76 Hz
SD
217 cm²
75 - 20000 Hz
QTS
0.35
xmax
5.3 mm
SPL1W
94 dB
Bl/√RE
4.61
Pmax
400 W
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8″Coaxial
fS
76 Hz
SD
217 cm²
75 - 18000 Hz
QTS
0.41
xmax
4.9 mm
SPL1W
93 dB
Bl/√RE
4.95
Pmax
500 W