LaVoce WSN122.50

Woofer

12″ / 300 mm
Nominal diameter
53 Hz
Resonance
0.36
Q factor
98 dB
Sensitivity
± 4.7 mm
Linear excursion
500 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
98.1
dB
Frequency response
50 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
4.31
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.36

Large signal parameters

Maximum linear excursion
xmax
4.7
mm
Maximum excursion before damage
xlim
8.8
mm
Air volume displaced at xmax
VD
250
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.77
mH
VC Diameter
65
mm
Winding height
HVC
13.4
mm
Winding material
Copper
Former material
Glass Fiber

Magnet

Force factor
Bl
15.85
N/A
Motor constant
Bl/√RE
6.64
N/√W
Air gap height
HAG
8.2
mm
Diameter
64
mm
Height
8
mm
Material
Neodymium

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
38.5
g
Moving mass (without air load)
MMD
30.1
g
Material
Water Resistant Treated Paper + Water Proof Front Side Treatment

Suspensions

Stiffness
KMS
5.75
N/mm
Compliance
CMS
174
µm/N
Equivalent volume to the compliance
VAS
69.4
L
Mechanical resistance
RMS
2.98
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
12
300
mm
Volume occupied by the driver
1.6
L
Net weight
2.1
kg
Frame material
Steel
LaVoce WSN122.50 SPL & Impedance
LaVoce WSN122.50 Dimensions

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