15x15″/ 381x381 mm
Nominal size
25 Hz
Resonance
0.56
Q factor
89 dB
Sensitivity
± 22.25 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.5
dB
Frequency response
18 - 100
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
25.5
Hz
Mechanical quality factor
QMS
15.35
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.56
Large signal parameters
Maximum linear excursion
xmax
22.25
mm
Air volume displaced at xmax
VD
2321
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.9
Ω
Inductance (1kHz, in series)
LE
7.64
mH
Magnet
Force factor (in series)
Bl
27.81
N/A
Motor constant
Bl/√RE
10.6
N/√W
Diaphragm
Effective diameter
364
mm
Effective area
SD
1043
cm²
Moving mass
MMS
410.5
g
Moving mass (without air load)
MMD
389.9
g
Suspensions
Stiffness
KMS
10.53
N/mm
Compliance
CMS
95
µm/N
Equivalent volume to the compliance
VAS
147
L
Mechanical resistance
RMS
4.2818
N·s/m
Dimensions
Nominal size
15 x 15
″
381 x 381
mm
Mounting baffle cutout
349 x 349
mm
Mounting depth
221
mm
Volume occupied by the driver (estimated)
4.3
L
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SpeakerbenchSimilar subwoofers to KICKER 44L7S154
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fS
26 Hz
SD
830 cm²
25 - 500 Hz
QTS
0.53
xmax
16.1 mm
SPL1W
89 dB
Bl/√RE
8.4
Pmax
1200 W
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KICKER 44L7S1522 x 2 Ω
15 x 15″Subwoofer
fS
25 Hz
SD
1043 cm²
18 - 100 Hz
QTS
0.53
xmax
22.3 mm
SPL1W
89 dB
Bl/√RE
11
Pmax
2000 W
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Fi Car Audio BTL4 18 D22 x 2 Ω
18″Subwoofer
fS
25 Hz
SD
1210 cm²
QTS
0.52
xmax
33.0 mm
SPL1W
88 dB
Bl/√RE
12
Pmax
7000 W