10″ / 250 mm
Nominal diameter
27 Hz
Resonance
0.5
Q factor
83 dB
Sensitivity
± 17 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
83.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
5.80
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
17.0
mm
Maximum excursion before damage
xlim
27.0
mm
Air volume displaced at xmax
VD
593
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.2
Ω
Inductance (1kHz, in series)
LE
6.4
mH
VC Diameter
65
mm
Magnet
Force factor (in series)
Bl
21.0
N/A
Motor constant
Bl/√RE
7.83
N/√W
Diameter
156
mm
Height
35
mm
Material
Ferrite
Diaphragm
Effective diameter
213
mm
Effective area
SD
349
cm²
Moving mass
MMS
187
g
Moving mass (without air load)
MMD
182.2
g
Material
Pressed-pulp cone with mineral powders
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
31
L
Mechanical resistance
RMS
5.47
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
268
mm
Baffle cutout diameter
236
mm
Overall depth
160
mm
Flange thickness
19
mm
Mounting depth
141
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.8
kg
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QSpeakers
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Rockford Fosgate P3D4-102 x 4 Ω
10″Subwoofer
fS
28 Hz
SD
360 cm²
QTS
0.56
xmax
15.9 mm
SPL1W
82 dB
Bl/√RE
7.83
Pmax
1000 W
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10″Subwoofer
fS
30 Hz
SD
370 cm²
QTS
0.52
xmax
9.0 mm
SPL1W
83 dB
Bl/√RE
6.25
Pmax
500 W