15″ / 381 mm
Nominal diameter
23 Hz
Resonance
0.59
Q factor
88 dB
Sensitivity
± 11 mm
Linear excursion
850 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.0
dB
Frequency response
22 - 400
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
23.0
Hz
Mechanical quality factor
QMS
3.37
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.59
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
857
cm³
Power handling
P
425
W
Program power
Pmax
850
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
2.52
mH
VC Diameter
64
mm
Magnet
Force factor (in series)
Bl
21.6
N/A
Motor constant
Bl/√RE
8.54
N/√W
Weight
6.24
kg
Diaphragm
Effective diameter
315
mm
Effective area
SD
779
cm²
Moving mass
MMS
240
g
Moving mass (without air load)
MMD
224.5
g
Material
Non Pressed Paper
Suspensions
Stiffness
KMS
5.97
N/mm
Compliance
CMS
167
µm/N
Equivalent volume to the compliance
VAS
144
L
Mechanical resistance
RMS
10.29
N·s/m
Dimensions
Nominal diameter
15
″
381
mm
Baffle cutout diameter
355
mm
Mounting depth
165
mm
Volume occupied by the driver (estimated)
4.3
L
Export this driver to a simulation software:
WinISD
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Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to PowerBass M-1504D
.jpg.webp)
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PowerBass L-1504D2 x 4 Ω
15″Subwoofer
fS
27 Hz
SD
780 cm²
27 - 450 Hz
QTS
0.47
xmax
12.0 mm
SPL1W
88 dB
Bl/√RE
8.93
Pmax
1000 W
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