MONACOR SPH-380TC
Subwoofer
15″ / 402 mm
Nominal diameter
22 Hz
Resonance
0.28
Q factor
91 dB
Sensitivity
± 11.1 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.8
dB
Frequency response
21 - 800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
21.5
Hz
Mechanical quality factor
QMS
2.81
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.28
Large signal parameters
Maximum linear excursion
xmax
11.1
mm
Air volume displaced at xmax
VD
938
cm³
Power handling
P
500
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.2
Ω
Inductance (1kHz, in series)
LE
4.4
mH
VC Diameter
76
mm
Winding material
Aluminium
Magnet
Force factor (in series)
Bl
25.0
N/A
Motor constant
Bl/√RE
9.32
N/√W
Diameter
180
mm
Weight
3.7
kg
Diaphragm
Effective diameter
328
mm
Effective area
SD
845
cm²
Moving mass
MMS
199.5
g
Moving mass (without air load)
MMD
181.8
g
Suspensions
Stiffness
KMS
3.57
N/mm
Compliance
CMS
280
µm/N
Equivalent volume to the compliance
VAS
275
L
Mechanical resistance
RMS
9.59
N·s/m
Dimensions
Nominal diameter
15
″
402
mm
Overall diameter
402
mm
Baffle cutout diameter
356
mm
Overall depth
180
mm
Flange thickness
15
mm
Mounting depth
165
mm
Volume occupied by the driver (estimated)
5.2
L
Net weight
10.62
kg
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fS
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SD
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20 - 500 Hz
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SPL1W
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Bl/√RE
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Pmax
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19 Hz
SD
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fS
23 Hz
SD
850 cm²
23 - 1500 Hz
QTS
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xmax
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SPL1W
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9.65
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