MONACOR SP-46/500PA
Woofer
18″ / 460 mm
Nominal diameter
30 Hz
Resonance
0.27
Q factor
96 dB
Sensitivity
± 5 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.4
dB
Frequency response
30 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
8.08
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
590
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
1.45
mH
VC Diameter
100
mm
Winding material
Kapton
Magnet
Force factor
Bl
25.0
N/A
Motor constant
Bl/√RE
10.5
N/√W
Diameter
220
mm
Weight
2.8
kg
Diaphragm
Effective diameter
388
mm
Effective area
SD
1180
cm²
Moving mass
MMS
160
g
Moving mass (without air load)
MMD
131.5
g
Suspensions
Stiffness
KMS
5.88
N/mm
Compliance
CMS
170
µm/N
Equivalent volume to the compliance
VAS
333
L
Mechanical resistance
RMS
3.73
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
460
mm
Baffle cutout diameter
415
mm
Overall depth
193
mm
Flange thickness
8
mm
Mounting depth
185
mm
Volume occupied by the driver (estimated)
5.8
L
Net weight
10.28
kg
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fS
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SD
856 cm²
63 - 2800 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
7.66
Pmax
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18″Low frequency
fS
33 Hz
SD
1164 cm²
30 - 2000 Hz
QTS
0.28
xmax
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SPL1W
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Bl/√RE
9.76
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fS
31 Hz
SD
1698 cm²
30 - 1000 Hz
QTS
0.28
xmax
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SPL1W
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Bl/√RE
16
Pmax
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