Pioneer TS-W254R
Subwoofer
10″ / 250 mm
Nominal diameter
34 Hz
Resonance
0.62
Q factor
88 dB
Sensitivity
± 4.7 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.0
dB
Frequency response
20 - 220
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.5
Hz
Mechanical quality factor
QMS
12.80
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.62
Large signal parameters
Maximum linear excursion
xmax
4.7
mm
Air volume displaced at xmax
VD
230
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
2.1
mH
Magnet
Force factor
Bl
10.35
N/A
Motor constant
Bl/√RE
5.98
N/√W
Weight
0.94
kg
Diaphragm
Effective diameter
250
mm
Effective area
SD
490
cm²
Moving mass
MMS
114.6
g
Moving mass (without air load)
MMD
108.3
g
Material
IMPP
Suspensions
Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
68
L
Mechanical resistance
RMS
1.885
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Baffle cutout diameter
235
mm
Mounting depth
127
mm
Volume occupied by the driver
1.33
L
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SpeakerbenchSimilar subwoofers to Pioneer TS-W254R
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12″Subwoofer
fS
32 Hz
SD
524 cm²
28 - 300 Hz
QTS
0.62
xmax
9.0 mm
SPL1W
87 dB
Bl/√RE
6.17
Pmax
1000 W
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