RCF LF12X401
Woofer
12″ / 305 mm
Nominal diameter
45 Hz
Resonance
0.27
Q factor
94 dB
Sensitivity
± 9 mm
Linear excursion
2000 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.8
dB
Frequency response
45 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
8.00
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
30.0
mm
Air volume displaced at xmax
VD
450
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
102
mm
Winding height
HVC
25
mm
Winding material
Copper
Magnet
Force factor
Bl
26.1
N/A
Motor constant
Bl/√RE
11.4
N/√W
Material
Ceramic
Diaphragm
Effective diameter
260
mm
Effective area
SD
500
cm²
Moving mass
MMS
105
g
Moving mass (without air load)
MMD
96.7
g
Suspensions
Stiffness
KMS
7.09
N/mm
Compliance
CMS
141
µm/N
Equivalent volume to the compliance
VAS
50
L
Mechanical resistance
RMS
3.71
N·s/m
Surround material
Polycotton
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Overall depth
134
mm
Flange thickness
15
mm
Mounting depth
119
mm
Volume occupied by the driver
2.9
L
Net weight
11.37
kg
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Export this driver to a simulation software:
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QSpeakers
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fS
45 Hz
SD
550 cm²
45 - 1500 Hz
QTS
0.24
xmax
11.0 mm
SPL1W
93 dB
Bl/√RE
12
Pmax
2600 W
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10″Subwoofer
fS
50 Hz
SD
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50 - 3000 Hz
QTS
0.26
xmax
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SPL1W
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Bl/√RE
7.32
Pmax
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12″Subwoofer
fS
40 Hz
SD
531 cm²
40 - 1500 Hz
QTS
0.22
xmax
10.0 mm
SPL1W
93 dB
Bl/√RE
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Pmax
2000 W