MONACOR SP-46A/500BS
Subwoofer
18″ / 470 mm
Nominal diameter
36 Hz
Resonance
0.48
Q factor
94 dB
Sensitivity
± 6 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.0
dB
Frequency response
36 - 1800
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
4.75
Electrical quality factor
QES
0.54
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
698
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
1.65
mH
VC Diameter
100
mm
Winding material
Kapton
Magnet
Force factor
Bl
17.49
N/A
Motor constant
Bl/√RE
7.14
N/√W
Diameter
238
mm
Weight
2.6
kg
Diaphragm
Effective diameter
385
mm
Effective area
SD
1163
cm²
Moving mass
MMS
141
g
Moving mass (without air load)
MMD
112.4
g
Suspensions
Stiffness
KMS
7.69
N/mm
Compliance
CMS
130
µm/N
Equivalent volume to the compliance
VAS
250
L
Mechanical resistance
RMS
6.71
N·s/m
Dimensions
Nominal diameter
18
″
470
mm
Overall diameter
470
mm
Baffle cutout diameter
420
mm
Overall depth
205
mm
Flange thickness
16
mm
Mounting depth
189
mm
Volume occupied by the driver (estimated)
6.6
L
Net weight
11.34
kg
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SD
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