Beyma 8CMV2

Woofer

8″ / 200 mm
Nominal diameter
75 Hz
Resonance
0.51
Q factor
92 dB
Sensitivity
± 5.7 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
92.1
dB
Frequency response
80 - 8000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
75.0
Hz
Mechanical quality factor
QMS
7.70
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.51

Large signal parameters

Maximum linear excursion
xmax
5.7
mm
Maximum excursion before damage
xlim
29.0
mm
Air volume displaced at xmax
VD
125
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
38
mm
Winding height
HVC
14
mm

Magnet

Force factor
Bl
9.6
N/A
Motor constant
Bl/√RE
4.25
N/√W
Air gap height
HAG
6
mm

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
21
g
Moving mass (without air load)
MMD
18.6
g

Suspensions

Stiffness
KMS
4.7
N/mm
Compliance
CMS
213
µm/N
Equivalent volume to the compliance
VAS
14.6
L
Mechanical resistance
RMS
1.3
N·s/m

Dimensions

Nominal diameter
8
200
mm
Overall diameter
210
mm
Baffle cutout diameter
180
mm
Overall depth
92
mm
Volume occupied by the driver (estimated)
0.86
L
Net weight
2.4
kg
Beyma 8CMV2 SPL & Impedance
Beyma 8CMV2 Dimensions

Export this driver to a simulation software:

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