B&C Speaker 15FCX76

Coaxial

15″ / 380 mm
Nominal diameter
40 Hz
Resonance
0.44
Q factor
95 dB
Sensitivity
± 6.5 mm
Linear excursion
800 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.1
dB
Frequency response
40 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
8.30
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.44

Large signal parameters

Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
556
cm³
Power handling
P
400
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
76
mm
Winding height
HVC
16.5
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.0
T
Force factor
Bl
15.6
N/A
Motor constant
Bl/√RE
6.84
N/√W
Air gap height
HAG
8
mm
Material
Ferrite

Diaphragm

Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
87
g
Moving mass (without air load)
MMD
69.4
g
Material
Waterproof Front Side

Suspensions

Stiffness
KMS
5.53
N/mm
Compliance
CMS
181
µm/N
Equivalent volume to the compliance
VAS
187
L
Mechanical resistance
RMS
2.63
N·s/m

Dimensions

Nominal diameter
15
380
mm
Overall diameter
393
mm
Baffle cutout diameter
353
mm
Overall depth
199
mm
Flange thickness
16
mm
Mounting depth
183
mm
Volume occupied by the driver (estimated)
4.9
L
Net weight
9.0
kg
B&C Speaker 15FCX76 Impedance
B&C Speaker 15FCX76 SPL
B&C Speaker 15FCX76 Directivity
B&C Speaker 15FCX76 Directivity map HF
B&C Speaker 15FCX76 Directivity map LF
B&C Speaker 15FCX76 Dimensions

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