MONACOR SP-38A/500BS
Subwoofer
15″ / 385 mm
Nominal diameter
37 Hz
Resonance
0.35
Q factor
94 dB
Sensitivity
± 6 mm
Linear excursion
1500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
37 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
4.37
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
513
cm³
Power handling
P
500
W
Program power
Pmax
1500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
1.6
mH
VC Diameter
100
mm
Winding material
Kapton
Magnet
Force factor
Bl
18.25
N/A
Motor constant
Bl/√RE
7.45
N/√W
Diameter
222
mm
Weight
2.6
kg
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
107
g
Moving mass (without air load)
MMD
89.7
g
Suspensions
Stiffness
KMS
6.25
N/mm
Compliance
CMS
160
µm/N
Equivalent volume to the compliance
VAS
168
L
Mechanical resistance
RMS
5.69
N·s/m
Dimensions
Nominal diameter
15
″
385
mm
Overall diameter
385
mm
Baffle cutout diameter
355
mm
Overall depth
160
mm
Flange thickness
14
mm
Mounting depth
146
mm
Volume occupied by the driver (estimated)
4.6
L
Net weight
10.38
kg
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SD
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SD
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