Peerless SBS-250F38CP01-04
Subwoofer
10″ / 254 mm
Nominal diameter
50 Hz
Resonance
0.77
Q factor
86 dB
Sensitivity
± 10.5 mm
Linear excursion
400 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.3
dB
Frequency response
40 - 200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
4.46
Electrical quality factor
QES
0.93
Total quality factor
QTS
0.77
Large signal parameters
Maximum linear excursion
xmax
10.5
mm
Air volume displaced at xmax
VD
357
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.9
Ω
Inductance (1kHz)
LE
1.16
mH
VC Diameter
39
mm
Former material
Aluminium
Magnet
Force factor
Bl
10.88
N/A
Motor constant
Bl/√RE
5.52
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
208
mm
Effective area
SD
340
cm²
Moving mass
MMS
90.5
g
Moving mass (without air load)
MMD
86
g
Suspensions
Stiffness
KMS
8.92
N/mm
Compliance
CMS
112
µm/N
Equivalent volume to the compliance
VAS
18.2
L
Mechanical resistance
RMS
6.37
N·s/m
Dimensions
Nominal diameter
10
″
254
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
3.16
kg
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SD
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xmax
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SD
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