BMS 15CN682
Coaxial
15″ / 388 mm
Nominal diameter
41 Hz
Resonance
0.36
Q factor
95 dB
Sensitivity
± 5.5 mm
Linear excursion
1000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
40 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.7
Hz
Mechanical quality factor
QMS
6.28
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
459
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, estimated)
LE
1.39
mH
VC Diameter
77
mm
Winding height
HVC
19
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
2.2
T
Force factor
Bl
20.6
N/A
Motor constant
Bl/√RE
8.63
N/√W
Air gap height
HAG
8
mm
Material
Neodymium
Diaphragm
Effective diameter
335
mm
Effective area
SD
834
cm²
Moving mass
MMS
110
g
Moving mass (without air load)
MMD
93
g
Material
Polyester
Suspensions
Stiffness
KMS
7.14
N/mm
Compliance
CMS
140
µm/N
Equivalent volume to the compliance
VAS
137
L
Mechanical resistance
RMS
4.48
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
358
mm
Overall depth
215
mm
Volume occupied by the driver (estimated)
3.6
L
Net weight
5.2
kg
Frame material
Cast Aluminum
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SD
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QTS
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SPL1W
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Bl/√RE
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fS
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SD
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40 - 4000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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