BMS 6C150
Coaxial
6.5″ / 162 mm
Nominal diameter
88 Hz
Resonance
0.46
Q factor
92 dB
Sensitivity
± 5 mm
Linear excursion
260 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.9
dB
Frequency response
80 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
88.3
Hz
Mechanical quality factor
QMS
3.90
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.46
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
66
cm³
Power handling
P
130
W
Program power
Pmax
260
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.9
Ω
Inductance (1kHz)
LE
0.68
mH
VC Diameter
38
mm
Winding height
HVC
15
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.6
T
Force factor
Bl
11.36
N/A
Motor constant
Bl/√RE
3.29
N/√W
Air gap height
HAG
5
mm
Material
Neodymium
Diaphragm
Effective diameter
129
mm
Effective area
SD
132
cm²
Moving mass
MMS
10
g
Moving mass (without air load)
MMD
8.9
g
Material
Polyester
Suspensions
Stiffness
KMS
3.23
N/mm
Compliance
CMS
310
µm/N
Equivalent volume to the compliance
VAS
7.6
L
Mechanical resistance
RMS
1.42
N·s/m
Dimensions
Nominal diameter
6.5
″
162 x 162
mm
Overall size
162 x 162
mm
Baffle cutout diameter
146
mm
Overall depth
109
mm
Volume occupied by the driver (estimated)
0.71
L
Net weight
1.95
kg
Frame material
Cast Aluminum
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Export this driver to a simulation software:
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QSpeakers
SpeakerSim
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SpeakerbenchSimilar speaker drivers to BMS 6C150
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6″Mid-range
fS
90 Hz
SD
139 cm²
90 - 8000 Hz
QTS
0.44
xmax
0.8 mm
SPL1W
92 dB
Bl/√RE
3.59
Pmax
200 W
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8″Low frequency
fS
86 Hz
SD
227 cm²
70 - 6000 Hz
QTS
0.44
xmax
5.5 mm
SPL1W
92 dB
Bl/√RE
5.27
Pmax
400 W
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