Beyma 15MCB700
Subwoofer
15″ / 380 mm
Nominal diameter
44 Hz
Resonance
0.34
Q factor
97 dB
Sensitivity
± 7 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.9
dB
Frequency response
45 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
44.0
Hz
Mechanical quality factor
QMS
5.40
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
45.0
mm
Air volume displaced at xmax
VD
616
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
76
mm
Winding height
HVC
18
mm
Magnet
Force factor
Bl
20.0
N/A
Motor constant
Bl/√RE
8.69
N/√W
Air gap height
HAG
9.5
mm
Diaphragm
Effective diameter
335
mm
Effective area
SD
880
cm²
Moving mass
MMS
96
g
Moving mass (without air load)
MMD
78
g
Suspensions
Stiffness
KMS
7.41
N/mm
Compliance
CMS
135
µm/N
Equivalent volume to the compliance
VAS
148
L
Mechanical resistance
RMS
4.9
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
388
mm
Baffle cutout diameter
350
mm
Overall depth
177
mm
Volume occupied by the driver (estimated)
4.2
L
Net weight
8.0
kg
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fS
44 Hz
SD
829 cm²
50 - 16000 Hz
QTS
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xmax
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SPL1W
96 dB
Bl/√RE
8.21
Pmax
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15″Woofer
fS
45 Hz
SD
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40 - 4000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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fS
46 Hz
SD
829 cm²
50 - 16000 Hz
QTS
0.34
xmax
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SPL1W
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Bl/√RE
8.17
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