12″ / 318 mm
Nominal diameter
36 Hz
Resonance
0.59
Q factor
86 dB
Sensitivity
± 23.15 mm
Linear excursion
1700 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.1
dB
Frequency response
20 - 100
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.2
Hz
Mechanical quality factor
QMS
9.45
Electrical quality factor
QES
0.63
Total quality factor
QTS
0.59
Large signal parameters
Maximum linear excursion
xmax
23.15
mm
Air volume displaced at xmax
VD
1173
cm³
Power handling
P
850
W
Program power
Pmax
1700
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.8
Ω
Inductance (1kHz, in series)
LE
5.11
mH
Magnet
Force factor (in series)
Bl
19.0
N/A
Motor constant
Bl/√RE
9.79
N/√W
Diaphragm
Effective diameter
254
mm
Effective area
SD
507
cm²
Moving mass
MMS
264.5
g
Moving mass (without air load)
MMD
256.2
g
Suspensions
Stiffness
KMS
13.71
N/mm
Compliance
CMS
73
µm/N
Equivalent volume to the compliance
VAS
26.5
L
Mechanical resistance
RMS
6.37
N·s/m
Dimensions
Nominal diameter
12
″
318
mm
Overall diameter
318
mm
Baffle cutout diameter
281
mm
Mounting depth
181
mm
Volume occupied by the driver (estimated)
2.7
L
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SpeakerbenchSimilar subwoofers to KICKER 42CWQ122
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KICKER 42CWQ1242 x 4 Ω
12″Subwoofer
fS
38 Hz
SD
507 cm²
20 - 100 Hz
QTS
0.60
xmax
23.2 mm
SPL1W
86 dB
Bl/√RE
9.79
Pmax
1700 W
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Rockford Fosgate R2SD2-102 x 2 Ω
10″Shallow Subwoofer
fS
38 Hz
SD
333 cm²
QTS
0.68
xmax
8.0 mm
SPL1W
85 dB
Bl/√RE
6.57
Pmax
400 W