B&C Speaker 12CL76
Woofer
12″ / 320 mm
Nominal diameter
48 Hz
Resonance
0.21
Q factor
96 dB
Sensitivity
± 6 mm
Linear excursion
700 W
Program Power
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Available on (affiliate links)
Parts Express
$$$
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
45 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
4.80
Electrical quality factor
QES
0.22
Total quality factor
QTS
0.21
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
313
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
76
mm
Winding height
HVC
17
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.05
T
Force factor
Bl
22.4
N/A
Motor constant
Bl/√RE
9.82
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
70
g
Moving mass (without air load)
MMD
61.5
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
6.41
N/mm
Compliance
CMS
156
µm/N
Equivalent volume to the compliance
VAS
59
L
Mechanical resistance
RMS
4.4
N·s/m
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
313
mm
Baffle cutout diameter
282
mm
Overall depth
142
mm
Flange thickness
9
mm
Mounting depth
133
mm
Volume occupied by the driver
2.3
L
Net weight
3.35
kg
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fS
48 Hz
SD
550 cm²
50 - 4000 Hz
QTS
0.21
xmax
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SPL1W
96 dB
Bl/√RE
10
Pmax
1400 W
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fS
48 Hz
SD
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50 - 3000 Hz
QTS
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xmax
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fS
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SD
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40 - 2000 Hz
QTS
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xmax
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SPL1W
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