LaVoce CSF122.50K

Coaxial

12″ / 300 mm
Nominal diameter
47 Hz
Resonance
0.42
Q factor
95 dB
Sensitivity
± 6.25 mm
Linear excursion
600 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
95.3
dB
Frequency response
45 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
47.0
Hz
Mechanical quality factor
QMS
5.80
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.42

Large signal parameters

Maximum linear excursion
xmax
6.25
mm
Maximum excursion before damage
xlim
10.25
mm
Air volume displaced at xmax
VD
332
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.46
mH
VC Diameter
65
mm
Winding height
HVC
16.6
mm
Winding material
Edgewound CCA
Former material
Glass Fiber

Magnet

Flux density
B
1.12
T
Force factor
Bl
13.9
N/A
Motor constant
Bl/√RE
5.77
N/√W
Air gap height
HAG
8
mm
Diameter
185
mm
Height
22
mm
Material
Ferrite

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
50.8
g
Moving mass (without air load)
MMD
42.4
g
Material
Waterproof Treated Paper

Suspensions

Stiffness
KMS
4.35
N/mm
Compliance
CMS
230
µm/N
Equivalent volume to the compliance
VAS
89.8
L
Mechanical resistance
RMS
2.59
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
12
300
mm
Volume occupied by the driver
3.0
L
Net weight
5.6
kg
Frame material
Steel
LaVoce CSF122.50K SPL & Impedance
LaVoce CSF122.50K Dimensions

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