12″ / 300 mm
Nominal diameter
30 Hz
Resonance
0.72
Q factor
85 dB
Sensitivity
± 13.35 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
85.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
30.3
Hz
Mechanical quality factor
QMS
8.40
Electrical quality factor
QES
0.79
Total quality factor
QTS
0.72
Large signal parameters
Maximum linear excursion
xmax
13.35
mm
Air volume displaced at xmax
VD
677
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.9
Ω
Inductance (1kHz, in series)
LE
4.98
mH
Magnet
Force factor (in series)
Bl
19.18
N/A
Motor constant
Bl/√RE
6.8
N/√W
Diaphragm
Effective diameter
254
mm
Effective area
SD
507
cm²
Moving mass
MMS
192.3
g
Moving mass (without air load)
MMD
184.3
g
Suspensions
Stiffness
KMS
6.98
N/mm
Compliance
CMS
144
µm/N
Equivalent volume to the compliance
VAS
52.1
L
Mechanical resistance
RMS
4.363
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Baffle cutout diameter
279
mm
Mounting depth
96
mm
Volume occupied by the driver (estimated)
2.3
L
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SpeakerbenchSimilar subwoofers to KICKER 48CWRT124
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KICKER 46L7T1242 x 4 Ω
12 x 12″Subwoofer
fS
31 Hz
SD
645 cm²
25 - 100 Hz
QTS
0.82
xmax
15.3 mm
SPL1W
86 dB
Bl/√RE
7.69
Pmax
1200 W
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