Beyma 12MCB700
Subwoofer
12″ / 300 mm
Nominal diameter
51 Hz
Resonance
0.27
Q factor
96 dB
Sensitivity
± 7 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.7
dB
Frequency response
55 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
51.0
Hz
Mechanical quality factor
QMS
3.90
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
45.0
mm
Air volume displaced at xmax
VD
385
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
76
mm
Winding height
HVC
18
mm
Magnet
Force factor
Bl
20.4
N/A
Motor constant
Bl/√RE
8.78
N/√W
Air gap height
HAG
9.5
mm
Diaphragm
Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
69
g
Moving mass (without air load)
MMD
60
g
Suspensions
Stiffness
KMS
7.19
N/mm
Compliance
CMS
139
µm/N
Equivalent volume to the compliance
VAS
59.5
L
Mechanical resistance
RMS
5.6
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
312
mm
Baffle cutout diameter
278
mm
Overall depth
145
mm
Volume occupied by the driver (estimated)
3.2
L
Net weight
7.8
kg
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SpeakerbenchSimilar subwoofers to Beyma 12MCB700
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12″Woofer
fS
50 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.25
xmax
7.2 mm
SPL1W
96 dB
Bl/√RE
8.31
Pmax
1000 W
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12″Woofer
fS
53 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.30
xmax
5.8 mm
SPL1W
95 dB
Bl/√RE
8.43
Pmax
900 W