Beyma 6MI100
Mid-range
6.5″ / 165 mm
Nominal diameter
128 Hz
Resonance
0.52
Q factor
93 dB
Sensitivity
± 3 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.5
dB
Frequency response
100 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
128
Hz
Mechanical quality factor
QMS
8.60
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
42
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
51
mm
Winding height
HVC
9
mm
Magnet
Force factor
Bl
10.8
N/A
Motor constant
Bl/√RE
4.41
N/√W
Air gap height
HAG
7
mm
Diaphragm
Effective diameter
134
mm
Effective area
SD
140
cm²
Moving mass
MMS
14
g
Moving mass (without air load)
MMD
12.7
g
Suspensions
Stiffness
KMS
8.4
N/mm
Compliance
CMS
119
µm/N
Equivalent volume to the compliance
VAS
3.1
L
Mechanical resistance
RMS
1.2
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Overall diameter
174
mm
Baffle cutout diameter
146
mm
Overall depth
85
mm
Volume occupied by the driver (estimated)
0.84
L
Net weight
3.0
kg
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6″Mid-range
fS
123 Hz
SD
130 cm²
95 - 4000 Hz
QTS
0.56
xmax
4.5 mm
SPL1W
92 dB
Bl/√RE
3.57
Pmax
350 W
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6″Woofer
fS
120 Hz
SD
131 cm²
85 - 6000 Hz
QTS
0.42
xmax
4.6 mm
SPL1W
94 dB
Bl/√RE
4.04
Pmax
260 W
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6.5″Mid-range
fS
130 Hz
SD
132 cm²
130 - 6000 Hz
QTS
0.44
xmax
2.0 mm
SPL1W
93 dB
Bl/√RE
4.4
Pmax
240 W