12x12″/ 305x305 mm
Nominal size
31 Hz
Resonance
0.6
Q factor
87 dB
Sensitivity
± 19.25 mm
Linear excursion
1500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.8
dB
Frequency response
20 - 100
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.9
Hz
Mechanical quality factor
QMS
11.27
Electrical quality factor
QES
0.63
Total quality factor
QTS
0.60
Large signal parameters
Maximum linear excursion
xmax
19.25
mm
Air volume displaced at xmax
VD
1242
cm³
Power handling
P
750
W
Program power
Pmax
1500
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.9
Ω
Inductance (1kHz, in series)
LE
4.5
mH
Magnet
Force factor (in series)
Bl
18.29
N/A
Motor constant
Bl/√RE
9.31
N/√W
Diaphragm
Effective diameter
287
mm
Effective area
SD
645
cm²
Moving mass
MMS
281.8
g
Moving mass (without air load)
MMD
271.5
g
Suspensions
Stiffness
KMS
10.59
N/mm
Compliance
CMS
95
µm/N
Equivalent volume to the compliance
VAS
55.8
L
Mechanical resistance
RMS
4.84575
N·s/m
Dimensions
Nominal size
12 x 12
″
305 x 305
mm
Mounting baffle cutout
281 x 281
mm
Mounting depth
169
mm
Volume occupied by the driver (estimated)
2.4
L
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12 x 12″Subwoofer
fS
29 Hz
SD
645 cm²
QTS
0.54
xmax
17.5 mm
SPL1W
87 dB
Bl/√RE
9.21
Pmax
1200 W
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KICKER 44L7S1242 x 4 Ω
12 x 12″Subwoofer
fS
32 Hz
SD
645 cm²
20 - 100 Hz
QTS
0.66
xmax
19.3 mm
SPL1W
87 dB
Bl/√RE
8.55
Pmax
1500 W
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fS
30 Hz
SD
814 cm²
18 - 100 Hz
QTS
0.49
xmax
23.9 mm
SPL1W
88 dB
Bl/√RE
12
Pmax
2200 W