RCF LF12G801
Subwoofer
12″ / 305 mm
Nominal diameter
43 Hz
Resonance
0.22
Q factor
96 dB
Sensitivity
± 7 mm
Linear excursion
900 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.5
dB
Frequency response
40 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
43.0
Hz
Mechanical quality factor
QMS
4.60
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
18.0
mm
Air volume displaced at xmax
VD
350
cm³
Power handling
P
450
W
Program power
Pmax
900
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
2.0
mH
VC Diameter
76
mm
Winding height
HVC
19
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Force factor
Bl
19.0
N/A
Motor constant
Bl/√RE
7.89
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
500
cm²
Moving mass
MMS
56
g
Moving mass (without air load)
MMD
47.7
g
Suspensions
Stiffness
KMS
3.86
N/mm
Compliance
CMS
259
µm/N
Equivalent volume to the compliance
VAS
97
L
Mechanical resistance
RMS
3.29
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
320
mm
Baffle cutout diameter
284
mm
Volume occupied by the driver
2.6
L
Net weight
7.0
kg
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fS
43 Hz
SD
500 cm²
40 - 2000 Hz
QTS
0.22
xmax
7.0 mm
SPL1W
96 dB
Bl/√RE
7.89
Pmax
900 W
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fS
45 Hz
SD
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53 - 5000 Hz
QTS
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xmax
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SPL1W
96 dB
Bl/√RE
8.11
Pmax
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fS
45 Hz
SD
533 cm²
45 - 3150 Hz
QTS
0.26
xmax
7.5 mm
SPL1W
95 dB
Bl/√RE
8.37
Pmax
1000 W