B&C Speaker 12MH32
Mid Bass
12″ / 320 mm
Nominal diameter
53 Hz
Resonance
0.19
Q factor
98 dB
Sensitivity
± 5 mm
Linear excursion
800 W
Program Power
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Available on (affiliate links)
Parts Express
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
98.4
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
7.20
Electrical quality factor
QES
0.20
Total quality factor
QTS
0.19
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
261
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.83
mH
VC Diameter
76
mm
Winding height
HVC
14
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.4
T
Force factor
Bl
22.3
N/A
Motor constant
Bl/√RE
9.78
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
258
mm
Effective area
SD
522
cm²
Moving mass
MMS
54
g
Moving mass (without air load)
MMD
45.4
g
Suspensions
Stiffness
KMS
6.37
N/mm
Compliance
CMS
157
µm/N
Equivalent volume to the compliance
VAS
63
L
Mechanical resistance
RMS
2.5
N·s/m
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
316
mm
Baffle cutout diameter
282
mm
Overall depth
133
mm
Flange thickness
12
mm
Mounting depth
121
mm
Volume occupied by the driver
3.3
L
Net weight
7.5
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar speaker drivers to B&C Speaker 12MH32
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12″Mid Bass
fS
54 Hz
SD
531 cm²
60 - 3000 Hz
QTS
0.19
xmax
3.5 mm
SPL1W
98 dB
Bl/√RE
10
Pmax
1200 W
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12″Mid Bass
fS
54 Hz
SD
531 cm²
80 - 3500 Hz
QTS
0.18
xmax
2.5 mm
SPL1W
98 dB
Bl/√RE
9.76
Pmax
800 W
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12″Woofer
fS
50 Hz
SD
522 cm²
50 - 2000 Hz
QTS
0.19
xmax
6.0 mm
SPL1W
98 dB
Bl/√RE
9.37
Pmax
800 W