MONACOR SP-250PA
Mid-range
10″ / 255 mm
Nominal diameter
48 Hz
Resonance
0.78
Q factor
90 dB
Sensitivity
± 4.25 mm
Linear excursion
250 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.4
dB
Frequency response
48 - 4500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
3.80
Electrical quality factor
QES
0.98
Total quality factor
QTS
0.78
Large signal parameters
Maximum linear excursion
xmax
4.25
mm
Air volume displaced at xmax
VD
147
cm³
Power handling
P
125
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.9
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
39
mm
Winding material
Aluminium
Magnet
Force factor
Bl
7.6
N/A
Motor constant
Bl/√RE
2.89
N/√W
Diameter
110
mm
Weight
0.71
kg
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
27
g
Moving mass (without air load)
MMD
22.4
g
Suspensions
Stiffness
KMS
2.44
N/mm
Compliance
CMS
410
µm/N
Equivalent volume to the compliance
VAS
72
L
Mechanical resistance
RMS
2.14
N·s/m
Dimensions
Nominal diameter
10
″
255
mm
Overall diameter
255
mm
Baffle cutout diameter
232
mm
Overall depth
110
mm
Flange thickness
0
mm
Mounting depth
110
mm
Volume occupied by the driver (estimated)
0.96
L
Net weight
1.97
kg
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fS
45 Hz
SD
542 cm²
45 - 4000 Hz
QTS
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xmax
2.5 mm
SPL1W
91 dB
Bl/√RE
3.78
Pmax
200 W
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12″Full-range
fS
50 Hz
SD
531 cm²
45 - 17000 Hz
QTS
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xmax
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SPL1W
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fS
52 Hz
SD
350 cm²
49 - 5100 Hz
QTS
0.65
xmax
4.7 mm
SPL1W
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Bl/√RE
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Pmax
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