Pioneer TS-SW2502S4
Subwoofer
10″ / 250 mm
Nominal diameter
42 Hz
Resonance
0.97
Q factor
85 dB
Sensitivity
± 6.5 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Frequency response
20 - 125
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
12.04
Electrical quality factor
QES
1.06
Total quality factor
QTS
0.97
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
259
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
1.91
mH
VC Diameter
48
mm
Winding height
HVC
23
mm
Winding material
Copper
Magnet
Flux density
B
0.56
T
Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
6.93
N/√W
Air gap height
HAG
10
mm
Weight
1.03
kg
Material
Strontium Ferrite
Diaphragm
Effective diameter
225
mm
Effective area
SD
399
cm²
Moving mass
MMS
171
g
Moving mass (without air load)
MMD
165.2
g
Material
Mica reinforced IMPP
Suspensions
Stiffness
KMS
12.2
N/mm
Compliance
CMS
82
µm/N
Equivalent volume to the compliance
VAS
18.5
L
Mechanical resistance
RMS
3.79
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
278
mm
Baffle cutout diameter
249
mm
Overall depth
93
mm
Flange thickness
15
mm
Mounting depth
78
mm
Volume occupied by the driver
0.68
L
Net weight
3.55
kg
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SD
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SD
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xmax
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