15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.35
Q factor
88 dB
Sensitivity
± 28 mm
Linear excursion
7000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.7
dB
Frequency response
30 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
3.60
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
28.0
mm
Air volume displaced at xmax
VD
2394
cm³
Power handling
P
3500
W
Program power
Pmax
7000
W
Voice Coil
Nominal impedance
Z
2 x 1
Ω
DC resistance (in series)
RE
1.4
Ω
Inductance (1kHz, in series, estimated)
LE
0.99
mH
VC Diameter
102
mm
Magnet
Force factor (in series)
Bl
22.24
N/A
Motor constant
Bl/√RE
18.8
N/√W
Weight
18.14
kg
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
619.7
g
Moving mass (without air load)
MMD
602.6
g
Material
Non Press Pulp Paper Cone
Suspensions
Stiffness
KMS
29.71
N/mm
Compliance
CMS
34
µm/N
Equivalent volume to the compliance
VAS
35
L
Mechanical resistance
RMS
37.78
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Baffle cutout diameter
360
mm
Mounting depth
286
mm
Volume occupied by the driver (estimated)
4.3
L
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to PowerBass 4XL-151D
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15″Subwoofer
fS
35 Hz
SD
838 cm²
26 - 500 Hz
QTS
0.38
xmax
15.0 mm
SPL1W
88 dB
Bl/√RE
18
Pmax
10500 W
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