B&C Speaker 12CLA76
Woofer
12″ / 320 mm
Nominal diameter
52 Hz
Resonance
0.25
Q factor
97 dB
Sensitivity
± 5.3 mm
Linear excursion
700 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.8
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
4.90
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25
Large signal parameters
Maximum linear excursion
xmax
5.3
mm
Air volume displaced at xmax
VD
277
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.44
mH
VC Diameter
76
mm
Winding height
HVC
16
mm
Winding material
Copper Clad Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.2
T
Force factor
Bl
20.2
N/A
Motor constant
Bl/√RE
8.94
N/√W
Air gap height
HAG
11
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
258
mm
Effective area
SD
522
cm²
Moving mass
MMS
64
g
Moving mass (without air load)
MMD
55.5
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
6.8
N/mm
Compliance
CMS
147
µm/N
Equivalent volume to the compliance
VAS
56
L
Mechanical resistance
RMS
4.27
N·s/m
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
313
mm
Baffle cutout diameter
283
mm
Overall depth
143
mm
Flange thickness
9
mm
Mounting depth
134
mm
Volume occupied by the driver
2.3
L
Net weight
3.3
kg
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SpeakerbenchSimilar woofers to B&C Speaker 12CLA76
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12″Subwoofer
fS
51 Hz
SD
515 cm²
50 - 2500 Hz
QTS
0.27
xmax
6.8 mm
SPL1W
96 dB
Bl/√RE
9.17
Pmax
1400 W
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10″Mid-range
fS
55 Hz
SD
405 cm²
65 - 6500 Hz
QTS
0.24
xmax
5.5 mm
SPL1W
97 dB
Bl/√RE
7.36
Pmax
1000 W
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12″Subwoofer
fS
51 Hz
SD
550 cm²
60 - 4000 Hz
QTS
0.24
xmax
7.0 mm
SPL1W
96 dB
Bl/√RE
9.47
Pmax
1400 W