BMS 6S117
Woofer
6.5″ / 162 mm
Nominal diameter
80 Hz
Resonance
0.43
Q factor
92 dB
Sensitivity
± 5 mm
Linear excursion
260 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.8
dB
Frequency response
80 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
80.0
Hz
Mechanical quality factor
QMS
3.30
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
72
cm³
Power handling
P
130
W
Program power
Pmax
260
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.4
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
38
mm
Winding height
HVC
15
mm
Winding material
Copper
Magnet
Force factor
Bl
11.3
N/A
Motor constant
Bl/√RE
3.35
N/√W
Air gap height
HAG
5
mm
Material
Ferrite
Diaphragm
Effective diameter
135
mm
Effective area
SD
143
cm²
Moving mass
MMS
11
g
Moving mass (without air load)
MMD
9.8
g
Suspensions
Stiffness
KMS
2.78
N/mm
Compliance
CMS
360
µm/N
Equivalent volume to the compliance
VAS
10.4
L
Mechanical resistance
RMS
1.68
N·s/m
Dimensions
Nominal diameter
6.5
″
162
mm
Overall diameter
162
mm
Baffle cutout diameter
146
mm
Overall depth
82
mm
Volume occupied by the driver (estimated)
0.52
L
Net weight
1.61
kg
Frame material
Cast Aluminum
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SpeakerSim
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SpeakerbenchSimilar woofers to BMS 6S117
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8″Low frequency
fS
81 Hz
SD
214 cm²
80 - 5000 Hz
QTS
0.43
xmax
3.8 mm
SPL1W
92 dB
Bl/√RE
5.41
Pmax
500 W
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