10″ / 250 mm
Nominal diameter
30 Hz
Resonance
0.52
Q factor
85 dB
Sensitivity
± 12.5 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.7
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
9.40
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
12.5
mm
Maximum excursion before damage
xlim
16.5
mm
Air volume displaced at xmax
VD
460
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
3.33
mH
VC Diameter
35
mm
Magnet
Force factor
Bl
13.7
N/A
Motor constant
Bl/√RE
7.22
N/√W
Diameter
120
mm
Height
34
mm
Material
Ferrite
Diaphragm
Effective diameter
216
mm
Effective area
SD
368
cm²
Moving mass
MMS
154
g
Moving mass (without air load)
MMD
148.8
g
Material
Polyproyilene
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
34.5
L
Mechanical resistance
RMS
3.09
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
270
mm
Baffle cutout diameter
231
mm
Overall depth
132
mm
Flange thickness
17
mm
Mounting depth
115
mm
Volume occupied by the driver (estimated)
1.7
L
Net weight
3.795
kg
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Export this driver to a simulation software:
WinISD
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Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Hertz CS 250 S4
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10″Subwoofer
fS
30 Hz
SD
370 cm²
QTS
0.52
xmax
9.0 mm
SPL1W
84 dB
Bl/√RE
6.48
Pmax
500 W
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Rockford Fosgate P2D2-102 x 2 Ω
10″Subwoofer
fS
29 Hz
SD
360 cm²
QTS
0.50
xmax
11.0 mm
SPL1W
84 dB
Bl/√RE
7.27
Pmax
600 W