LaVoce FSF122.02
Full-range
12″ / 300 mm
Nominal diameter
57 Hz
Resonance
0.38
Q factor
97 dB
Sensitivity
± 3 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.7
dB
Frequency response
60 - 10000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
57.0
Hz
Mechanical quality factor
QMS
5.51
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
7.0
mm
Air volume displaced at xmax
VD
150
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.55
mH
VC Diameter
45
mm
Winding height
HVC
10
mm
Winding material
Copper
Former material
Polyimide
Magnet
Force factor
Bl
14.76
N/A
Motor constant
Bl/√RE
6.08
N/√W
Air gap height
HAG
8
mm
Diameter
155
mm
Height
20
mm
Material
Ferrite
Diaphragm
Effective diameter
252
mm
Effective area
SD
499
cm²
Moving mass
MMS
41.7
g
Moving mass (without air load)
MMD
33.8
g
Material
Water Resistant Treated Paper
Suspensions
Stiffness
KMS
5.38
N/mm
Compliance
CMS
186
µm/N
Equivalent volume to the compliance
VAS
65.4
L
Mechanical resistance
RMS
2.71
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
12
″
300
mm
Volume occupied by the driver
2.32
L
Net weight
4.4
kg
Frame material
Steel
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SpeakerbenchSimilar speaker drivers to LaVoce FSF122.02
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12″Coaxial
fS
56 Hz
SD
539 cm²
55 - 20000 Hz
QTS
0.37
xmax
7.4 mm
SPL1W
97 dB
Bl/√RE
6.95
Pmax
500 W
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12″Coaxial
fS
58 Hz
SD
515 cm²
60 - 16000 Hz
QTS
0.37
xmax
4.3 mm
SPL1W
96 dB
Bl/√RE
6.1
Pmax
600 W
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12″Low frequency
fS
56 Hz
SD
531 cm²
60 - 4000 Hz
QTS
0.39
xmax
4.0 mm
SPL1W
96 dB
Bl/√RE
5.95
Pmax
300 W