PowerBass S-12TD

2x4Ω

Shallow Subwoofer

12″ / 305 mm
Nominal diameter
36 Hz
Resonance
0.94
Q factor
85 dB
Sensitivity
± 6.8 mm
Linear excursion
600 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
85.1
dB
Frequency response
29 - 350
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
36.4
Hz
Mechanical quality factor
QMS
4.40
Electrical quality factor
QES
1.19
Total quality factor
QTS
0.94

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
2 x 4
Ω
DC resistance (in series)
RE
6.5
Ω
Inductance (1kHz, in series, estimated)
LE
2.17
mH
VC Diameter
51
mm

Magnet

Force factor (in series)
Bl
15.12
N/A
Motor constant
Bl/√RE
5.93
N/√W
Weight
3.97
kg

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
183.4
g
Moving mass (without air load)
MMD
174.9
g
Material
Injection molded Polypropylene

Suspensions

Stiffness
KMS
9.61
N/mm
Compliance
CMS
104
µm/N
Equivalent volume to the compliance
VAS
41.7
L
Mechanical resistance
RMS
9.54
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:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

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fS
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SD
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QTS
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xmax
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Bl/√RE
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