Peerless STW-350F188PR01-04
Subwoofer
15″ / 381 mm
Nominal diameter
31 Hz
Resonance
0.7
Q factor
84 dB
Sensitivity
± 22.4 mm
Linear excursion
5000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.8
dB
Frequency response
20 - 200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
31.0
Hz
Mechanical quality factor
QMS
13.70
Electrical quality factor
QES
0.74
Total quality factor
QTS
0.70
Large signal parameters
Maximum linear excursion
xmax
22.4
mm
Air volume displaced at xmax
VD
1736
cm³
Power handling
P
2500
W
Program power
Pmax
5000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
2.82
mH
VC Diameter
188
mm
Magnet
Force factor
Bl
24.3
N/A
Motor constant
Bl/√RE
13.8
N/√W
Air gap height
HAG
36
mm
Material
Ferrite
Diaphragm
Effective diameter
314
mm
Effective area
SD
775
cm²
Moving mass
MMS
738
g
Moving mass (without air load)
MMD
722.5
g
Material
Paper
Suspensions
Stiffness
KMS
27.78
N/mm
Compliance
CMS
36
µm/N
Equivalent volume to the compliance
VAS
30.6
L
Mechanical resistance
RMS
10.49
N·s/m
Surround material
Rubber
Dimensions
Nominal diameter
15
″
381
mm
Volume occupied by the driver (estimated)
13.0
L
Net weight
26.3
kg
Frame material
Cast Aluminium
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SD
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SD
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