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
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
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
Beyma 12MCB700 SPL & Impedance
Beyma 12MCB700 Dimensions

Export this driver to a simulation software:

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