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
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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
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Export this driver to a simulation software:
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SpeakerSim
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SpeakerbenchSimilar woofers to Beyma 8CMV2
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8″Woofer
fS
76 Hz
SD
222 cm²
80 - 6300 Hz
QTS
0.52
xmax
5.5 mm
SPL1W
92 dB
Bl/√RE
4.11
Pmax
300 W
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8″Woofer
fS
70 Hz
SD
223 cm²
80 - 5000 Hz
QTS
0.44
xmax
5.5 mm
SPL1W
92 dB
Bl/√RE
4.69
Pmax
500 W
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