LaVoce FSN030.72
Full-range
3″ / 70 mm
Nominal diameter
127 Hz
Resonance
0.36
Q factor
89 dB
Sensitivity
± 2.1 mm
Linear excursion
60 W
Program Power
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Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.8
dB
Frequency response
120 - 21000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
127
Hz
Mechanical quality factor
QMS
4.85
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
2.1
mm
Maximum excursion before damage
xlim
3.1
mm
Air volume displaced at xmax
VD
7.0
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.16
mH
VC Diameter
20
mm
Winding height
HVC
6.3
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fiber
Magnet
Force factor
Bl
5.61
N/A
Motor constant
Bl/√RE
2.2
N/√W
Air gap height
HAG
4
mm
Diameter
50
mm
Height
5
mm
Material
Neodymium
Diaphragm
Effective diameter
65
mm
Effective area
SD
33
cm²
Moving mass
MMS
2.4
g
Moving mass (without air load)
MMD
2.3
g
Material
Water Resistant Treated Paper
Suspensions
Stiffness
KMS
1.54
N/mm
Compliance
CMS
650
µm/N
Equivalent volume to the compliance
VAS
1.02
L
Mechanical resistance
RMS
0.39
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
3
″
70
mm
Volume occupied by the driver
0.05
L
Net weight
0.19
kg
Frame material
Steel
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4″Woofer
fS
120 Hz
SD
44 cm²
120 - 10000 Hz
QTS
0.36
xmax
2.5 mm
SPL1W
89 dB
Bl/√RE
2.63
Pmax
140 W
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4″Woofer
fS
118 Hz
SD
44 cm²
120 - 10000 Hz
QTS
0.39
xmax
2.2 mm
SPL1W
88 dB
Bl/√RE
2.43
Pmax
140 W
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3″Full-range
fS
110 Hz
SD
33 cm²
100 - 20000 Hz
QTS
0.36
xmax
1.7 mm
SPL1W
88 dB
Bl/√RE
2.04
Pmax
40 W