LaVoce MSF051.22
Mid-range
5″ / 130 mm
Nominal diameter
141 Hz
Resonance
0.56
Q factor
90 dB
Sensitivity
± 3.1 mm
Linear excursion
140 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.2
dB
Frequency response
140 - 10000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
141
Hz
Mechanical quality factor
QMS
4.67
Electrical quality factor
QES
0.64
Total quality factor
QTS
0.56
Large signal parameters
Maximum linear excursion
xmax
3.1
mm
Maximum excursion before damage
xlim
4.85
mm
Air volume displaced at xmax
VD
24
cm³
Power handling
P
70
W
Program power
Pmax
140
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.23
mH
VC Diameter
32
mm
Winding height
HVC
8.7
mm
Winding material
Copper Clad Aluminium
Former material
Polyimide
Magnet
Force factor
Bl
7.36
N/A
Motor constant
Bl/√RE
3.08
N/√W
Air gap height
HAG
5
mm
Diameter
100
mm
Height
15
mm
Material
Ferrite
Diaphragm
Effective diameter
100
mm
Effective area
SD
79
cm²
Moving mass
MMS
6.9
g
Moving mass (without air load)
MMD
6.4
g
Material
Water Proof Treated Paper
Suspensions
Stiffness
KMS
5.44
N/mm
Compliance
CMS
184
µm/N
Equivalent volume to the compliance
VAS
1.6
L
Mechanical resistance
RMS
1.31
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
5
″
130
mm
Volume occupied by the driver
0.4
L
Net weight
1.2
kg
Frame material
Steel
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SpeakerbenchSimilar speaker drivers to LaVoce MSF051.22
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5.5″Coaxial
fS
158 Hz
SD
95 cm²
160 - 20000 Hz
QTS
0.59
xmax
3.0 mm
SPL1W
90 dB
Bl/√RE
3.44
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5″Mid-range
fS
150 Hz
SD
95 cm²
160 - 16000 Hz
QTS
0.49
xmax
3.3 mm
SPL1W
93 dB
Bl/√RE
4.13
Pmax
450 W
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5″Low frequency
fS
128 Hz
SD
79 cm²
130 - 8000 Hz
QTS
0.58
xmax
2.4 mm
SPL1W
89 dB
Bl/√RE
2.71
Pmax
60 W