Kartesian Sub250_vHE
Subwoofer
10″ / 250 mm
Nominal diameter
26 Hz
Resonance
0.31
Q factor
87 dB
Sensitivity
± 10 mm
Linear excursion
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.6
dB
Frequency response
25 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
26.0
Hz
Mechanical quality factor
QMS
6.40
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
338
cm³
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
4.2
Ω
Inductance (1kHz)
LE
0.62
mH
Magnet
Force factor
Bl
14.9
N/A
Motor constant
Bl/√RE
7.27
N/√W
Diameter
100
mm
Height
62
mm
Diaphragm
Effective diameter
207
mm
Effective area
SD
338
cm²
Moving mass
MMS
106
g
Moving mass (without air load)
MMD
101.3
g
Suspensions
Stiffness
KMS
2.83
N/mm
Compliance
CMS
353
µm/N
Equivalent volume to the compliance
VAS
57.3
L
Mechanical resistance
RMS
2.71
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
267
mm
Baffle cutout diameter
231
mm
Overall depth
146
mm
Flange thickness
11
mm
Mounting depth
135
mm
Volume occupied by the driver (estimated)
2.0
L
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Similar subwoofers to Kartesian Sub250_vHE
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12″Subwoofer
fS
27 Hz
SD
491 cm²
40 - 400 Hz
QTS
0.36
xmax
25.2 mm
SPL1W
86 dB
Bl/√RE
11
Pmax
400 W
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