PowerBass PS-12
Subwoofer
12″ / 305 mm
Nominal diameter
32 Hz
Resonance
0.51
Q factor
89 dB
Sensitivity
± 8 mm
Linear excursion
500 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.7
dB
Frequency response
32 - 450
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.4
Hz
Mechanical quality factor
QMS
7.42
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.51
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
412
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz, estimated)
LE
0.76
mH
VC Diameter
51
mm
Magnet
Force factor
Bl
11.32
N/A
Motor constant
Bl/√RE
6.43
N/√W
Weight
1.13
kg
Diaphragm
Effective diameter
256
mm
Effective area
SD
515
cm²
Moving mass
MMS
111.4
g
Moving mass (without air load)
MMD
103.2
g
Material
DDC coated paper cone
Suspensions
Stiffness
KMS
4.61
N/mm
Compliance
CMS
217
µm/N
Equivalent volume to the compliance
VAS
81.6
L
Mechanical resistance
RMS
3.06
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
279
mm
Mounting depth
137
mm
Volume occupied by the driver (estimated)
2.4
L
Export this driver to a simulation software:
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SD
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SD
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