B&C Speaker 6HCX51

Coaxial

6.5″ / 170 mm
Nominal diameter
89 Hz
Resonance
0.38
Q factor
91 dB
Sensitivity
± 5 mm
Linear excursion
300 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
91.2
dB
Frequency response
90 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
89.0
Hz
Mechanical quality factor
QMS
7.50
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.38

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
66
cm³
Power handling
P
150
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
51
mm
Winding height
HVC
13
mm
Winding material
Copper
Former material
Kapton

Magnet

Flux density
B
1.1
T
Force factor
Bl
10.9
N/A
Motor constant
Bl/√RE
4.78
N/√W
Air gap height
HAG
6
mm
Material
Neodymium Ring

Diaphragm

Effective diameter
130
mm
Effective area
SD
132
cm²
Moving mass
MMS
16
g
Moving mass (without air load)
MMD
14.8
g
Material
Waterproof Both Sides

Suspensions

Stiffness
KMS
5.1
N/mm
Compliance
CMS
196
µm/N
Equivalent volume to the compliance
VAS
5
L
Mechanical resistance
RMS
1.19
N·s/m

Dimensions

Nominal diameter
6.5
170
mm
Overall diameter
187
mm
Baffle cutout diameter
146
mm
Overall depth
104
mm
Flange thickness
11
mm
Mounting depth
93
mm
Volume occupied by the driver (estimated)
0.67
L
Net weight
1.6
kg
B&C Speaker 6HCX51 Impedance
B&C Speaker 6HCX51 SPL
B&C Speaker 6HCX51 Directivity
B&C Speaker 6HCX51 Directivity map HF
B&C Speaker 6HCX51 Directivity map LF
B&C Speaker 6HCX51 Dimensions

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