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
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
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
LaVoce FSF122.02 SPL & Impedance
LaVoce FSF122.02 Dimensions

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