B&C Speaker 12HCX76

Coaxial

12″ / 320 mm
Nominal diameter
42 Hz
Resonance
0.19
Q factor
98 dB
Sensitivity
± 4 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

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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.6
dB
Frequency response
45 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
8.00
Electrical quality factor
QES
0.20
Total quality factor
QTS
0.19

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
209
cm³
Power handling
P
350
W
Program power
Pmax
700
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
76
mm
Winding height
HVC
16.5
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.15
T
Force factor
Bl
17.6
N/A
Motor constant
Bl/√RE
7.87
N/√W
Air gap height
HAG
8
mm
Material
Neodymium Ring

Diaphragm

Effective diameter
258
mm
Effective area
SD
522
cm²
Moving mass
MMS
47
g
Moving mass (without air load)
MMD
38.4
g
Material
Waterproof Front Side

Suspensions

Stiffness
KMS
3.27
N/mm
Compliance
CMS
306
µm/N
Equivalent volume to the compliance
VAS
120
L
Mechanical resistance
RMS
1.55
N·s/m

Dimensions

Nominal diameter
12
320
mm
Overall diameter
315
mm
Baffle cutout diameter
283
mm
Overall depth
168
mm
Flange thickness
14
mm
Mounting depth
154
mm
Volume occupied by the driver (estimated)
2.7
L
Net weight
5.3
kg
B&C Speaker 12HCX76 Impedance
B&C Speaker 12HCX76 SPL
B&C Speaker 12HCX76 Directivity 1
B&C Speaker 12HCX76 Directivity 2
B&C Speaker 12HCX76 Directivity map HF
B&C Speaker 12HCX76 Dimensions

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