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
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
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
BMS 6C150 Impedance
BMS 6C150 SPL
BMS 6C150 Dimensions

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