B&C Speaker 12CLX64

Coaxial

12″ / 320 mm
Nominal diameter
54 Hz
Resonance
0.57
Q factor
95 dB
Sensitivity
± 5.3 mm
Linear excursion
500 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
94.6
dB
Frequency response
54 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
54.0
Hz
Mechanical quality factor
QMS
10.10
Electrical quality factor
QES
0.61
Total quality factor
QTS
0.57

Large signal parameters

Maximum linear excursion
xmax
5.3
mm
Air volume displaced at xmax
VD
277
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.54
mH
VC Diameter
64
mm
Winding height
HVC
14.5
mm
Winding material
Copper
Former material
Kapton

Magnet

Flux density
B
0.9
T
Force factor
Bl
11.86
N/A
Motor constant
Bl/√RE
5.01
N/√W
Air gap height
HAG
8
mm
Material
Neodymium Ring

Diaphragm

Effective diameter
258
mm
Effective area
SD
522
cm²
Moving mass
MMS
45.3
g
Moving mass (without air load)
MMD
36.8
g
Material
Waterproof Front Side

Suspensions

Stiffness
KMS
5.21
N/mm
Compliance
CMS
192
µm/N
Equivalent volume to the compliance
VAS
74
L
Mechanical resistance
RMS
1.52
N·s/m

Dimensions

Nominal diameter
12
320
mm
Overall diameter
313
mm
Baffle cutout diameter
282
mm
Overall depth
164
mm
Flange thickness
9
mm
Mounting depth
155
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
3.2
kg
B&C Speaker 12CLX64 Impedance
B&C Speaker 12CLX64 SPL
B&C Speaker 12CLX64 Dimensions

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fS
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SD
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QTS
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xmax
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Bl/√RE
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