15″ / 390 mm
Nominal diameter
25 Hz
Resonance
0.3
Q factor
89 dB
Sensitivity
± 16.4 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
24.8
Hz
Mechanical quality factor
QMS
2.80
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
16.4
mm
Air volume displaced at xmax
VD
1328
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.5
Ω
Inductance (1kHz, in series, estimated)
LE
3.0
mH
Magnet
Force factor (in series)
Bl
30.4
N/A
Motor constant
Bl/√RE
11.9
N/√W
Diameter
215
mm
Diaphragm
Effective diameter
321
mm
Effective area
SD
810
cm²
Moving mass
MMS
310
g
Moving mass (without air load)
MMD
293.5
g
Suspensions
Stiffness
KMS
7.52
N/mm
Compliance
CMS
133
µm/N
Equivalent volume to the compliance
VAS
123
L
Mechanical resistance
RMS
17.25
N·s/m
Dimensions
Nominal diameter
15
″
390
mm
Overall diameter
390
mm
Baffle cutout diameter
357
mm
Mounting depth
241
mm
Volume occupied by the driver
5.4
L
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Export this driver to a simulation software:
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QSpeakers
SpeakerSim
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SpeakerbenchSimilar subwoofers to Cerwin Vega ST154D
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19″Subwoofer
fS
27 Hz
SD
1472 cm²
QTS
0.32
xmax
34.0 mm
SPL1W
89 dB
Bl/√RE
21
Pmax
6000 W
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