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
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
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
B&C Speaker 12CLA76 Impedance
B&C Speaker 12CLA76 SPL
B&C Speaker 12CLA76 Dimensions

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SD
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