Beyma CM-10
Woofer
10″ / 250 mm
Nominal diameter
61 Hz
Resonance
0.51
Q factor
94 dB
Sensitivity
± 6.5 mm
Linear excursion
250 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.5
dB
Frequency response
40 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
61.0
Hz
Mechanical quality factor
QMS
6.38
Electrical quality factor
QES
0.55
Total quality factor
QTS
0.51
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Maximum excursion before damage
xlim
12.25
mm
Air volume displaced at xmax
VD
254
cm³
Power handling
P
125
W
Program power
Pmax
250
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
39
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
12.2
N/A
Motor constant
Bl/√RE
4.92
N/√W
Air gap height
HAG
7
mm
Material
Ferrite
Diaphragm
Effective diameter
223
mm
Effective area
SD
390
cm²
Moving mass
MMS
35
g
Moving mass (without air load)
MMD
29.9
g
Suspensions
Stiffness
KMS
5.21
N/mm
Compliance
CMS
192
µm/N
Equivalent volume to the compliance
VAS
40.7
L
Mechanical resistance
RMS
2.13
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Volume occupied by the driver (estimated)
1.2
L
Net weight
2.93
kg
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SpeakerbenchSimilar woofers to Beyma CM-10
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10″Mid-range
fS
61 Hz
SD
364 cm²
61 - 5000 Hz
QTS
0.47
xmax
4.0 mm
SPL1W
94 dB
Bl/√RE
4.56
Pmax
300 W
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12″Low frequency
fS
60 Hz
SD
531 cm²
60 - 3000 Hz
QTS
0.40
xmax
3.9 mm
SPL1W
94 dB
Bl/√RE
7.02
Pmax
600 W
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10″Low frequency
fS
60 Hz
SD
363 cm²
60 - 3000 Hz
QTS
0.55
xmax
4.1 mm
SPL1W
93 dB
Bl/√RE
4.9
Pmax
400 W