10″ / 250 mm
Nominal diameter
35 Hz
Resonance
0.6
Q factor
86 dB
Sensitivity
± 9 mm
Linear excursion
750 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.9
dB
Frequency response
28 - 300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
9.60
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.60
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
15.5
mm
Air volume displaced at xmax
VD
315
cm³
Power handling
P
250
W
Program power
Pmax
750
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
2.9
Ω
Inductance (1kHz)
LE
2.3
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
10.8
N/A
Motor constant
Bl/√RE
6.34
N/√W
Diaphragm
Effective diameter
212
mm
Effective area
SD
349
cm²
Moving mass
MMS
115
g
Moving mass (without air load)
MMD
110.4
g
Suspensions
Stiffness
KMS
6.25
N/mm
Compliance
CMS
160
µm/N
Equivalent volume to the compliance
VAS
27.7
L
Mechanical resistance
RMS
2.63
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Volume occupied by the driver (estimated)
1.5
L
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SpeakerbenchSimilar subwoofers to Hertz ES 250.5
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KICKER 44L7S1042 x 4 Ω
10 x 10″Subwoofer
fS
33 Hz
SD
433 cm²
24 - 100 Hz
QTS
0.53
xmax
19.3 mm
SPL1W
86 dB
Bl/√RE
8.32
Pmax
1200 W
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