PowerBass S-12T
4Ω
2x4ΩShallow Subwoofer
12″ / 305 mm
Nominal diameter
34 Hz
Resonance
0.63
Q factor
86 dB
Sensitivity
± 6.8 mm
Linear excursion
600 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.9
dB
Frequency response
31 - 350
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
3.80
Electrical quality factor
QES
0.76
Total quality factor
QTS
0.63
Large signal parameters
Maximum linear excursion
xmax
6.8
mm
Air volume displaced at xmax
VD
361
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz, estimated)
LE
1.08
mH
VC Diameter
51
mm
Magnet
Force factor
Bl
13.04
N/A
Motor constant
Bl/√RE
7.29
N/√W
Weight
3.97
kg
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
186.3
g
Moving mass (without air load)
MMD
177.8
g
Material
Injection Polypropylene
Suspensions
Stiffness
KMS
8.72
N/mm
Compliance
CMS
115
µm/N
Equivalent volume to the compliance
VAS
45.9
L
Mechanical resistance
RMS
10.47
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
278
mm
Mounting depth
83
mm
Volume occupied by the driver (estimated)
2.4
L
Export this driver to a simulation software:
WinISD
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SpeakerbenchSimilar subwoofers to PowerBass S-12T
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Skar Audio EVL-15 D22 x 2 Ω
15″Subwoofer
fS
35 Hz
SD
779 cm²
35 - 400 Hz
QTS
0.63
xmax
24.0 mm
SPL1W
87 dB
Bl/√RE
11
Pmax
2500 W
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