12″ / 300 mm
Nominal diameter
51 Hz
Resonance
0.41
Q factor
96 dB
Sensitivity
± 4.3 mm
Linear excursion
400 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.7
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
51.0
Hz
Mechanical quality factor
QMS
4.02
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
4.3
mm
Maximum excursion before damage
xlim
8.3
mm
Air volume displaced at xmax
VD
228
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.53
mH
VC Diameter
51
mm
Winding height
HVC
12.6
mm
Former material
Glass Fiber
Magnet
Force factor
Bl
12.81
N/A
Motor constant
Bl/√RE
5.62
N/√W
Air gap height
HAG
8
mm
Diameter
140
mm
Height
17
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
44.8
g
Moving mass (without air load)
MMD
36.4
g
Material
Water Resistant Treated Paper
Suspensions
Stiffness
KMS
4.51
N/mm
Compliance
CMS
222
µm/N
Equivalent volume to the compliance
VAS
88
L
Mechanical resistance
RMS
3.57
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
12
″
300
mm
Volume occupied by the driver
1.9
L
Net weight
3.5
kg
Similar woofers to LaVoce WSF122.02
12″Subwoofer
fS
50 Hz
SD
533 cm²
50 - 4000 Hz
QTS
0.40
xmax
7.4 mm
SPL1W
95 dB
Bl/√RE
6.17
Pmax
600 W
12″Subwoofer
fS
50 Hz
SD
533 cm²
50 - 4000 Hz
QTS
0.42
xmax
4.9 mm
SPL1W
95 dB
Bl/√RE
6.17
Pmax
600 W
12″Subwoofer
fS
50 Hz
SD
533 cm²
50 - 5000 Hz
QTS
0.41
xmax
4.9 mm
SPL1W
95 dB
Bl/√RE
6.5
Pmax
600 W