BMS 15CN890
Triaxial
15″ / 388 mm
Nominal diameter
50 Hz
Resonance
0.35
Q factor
96 dB
Sensitivity
± 6 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.6
dB
Frequency response
40 - 22000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
3.70
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
482
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
102
mm
Winding height
HVC
22
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
2.0
T
Force factor
Bl
23.6
N/A
Motor constant
Bl/√RE
9.88
N/√W
Air gap height
HAG
10
mm
Material
Neodymium
Diaphragm
Effective diameter
320
mm
Effective area
SD
804
cm²
Moving mass
MMS
120
g
Moving mass (without air load)
MMD
103.7
g
Material
Polyester
Suspensions
Stiffness
KMS
11.31
N/mm
Compliance
CMS
88
µm/N
Equivalent volume to the compliance
VAS
77
L
Mechanical resistance
RMS
10.19
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
358
mm
Overall depth
280
mm
Volume occupied by the driver (estimated)
6.1
L
Net weight
8.95
kg
Frame material
Cast Aluminum
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BMS 15CN8608 Ω
15″Triaxial
fS
50 Hz
SD
804 cm²
40 - 22000 Hz
QTS
0.35
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
9.88
Pmax
2000 W
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12″Low frequency
fS
50 Hz
SD
531 cm²
55 - 5000 Hz
QTS
0.36
xmax
4.8 mm
SPL1W
96 dB
Bl/√RE
6.88
Pmax
1000 W
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12″Coaxial
fS
49 Hz
SD
531 cm²
50 - 20000 Hz
QTS
0.33
xmax
4.5 mm
SPL1W
95 dB
Bl/√RE
7.17
Pmax
800 W