Beyma 8MI100

Mid-range

8″ / 200 mm
Nominal diameter
90 Hz
Resonance
0.45
Q factor
95 dB
Sensitivity
± 3 mm
Linear excursion
500 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
94.7
dB
Frequency response
100 - 7000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
90.0
Hz
Mechanical quality factor
QMS
7.50
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.45

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
66
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
11.5
N/A
Motor constant
Bl/√RE
4.69
N/√W
Air gap height
HAG
7
mm

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
19
g
Moving mass (without air load)
MMD
16.6
g

Suspensions

Stiffness
KMS
5.71
N/mm
Compliance
CMS
175
µm/N
Equivalent volume to the compliance
VAS
12
L
Mechanical resistance
RMS
1.4
N·s/m

Dimensions

Nominal diameter
8
200
mm
Overall diameter
212
mm
Baffle cutout diameter
181
mm
Overall depth
94
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
3.1
kg
Beyma 8MI100 SPL & Impedance
Beyma 8MI100 Dimensions

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