B&C Speaker 6HCX51

Coaxial

Nominal diameter6.5″ / 170 mm
Resonance89 Hz
Q factor0.38
Sensitivity91.2 dB
Linear excursion± 5.5 mm
Program Power300 W
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 91.2dB
  • Frequency response 90 - 18000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 89Hz
  • 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 5.5mm
  • Air volume displaced at xmax VD 73cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

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

Magnet

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

Diaphragm

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

Suspensions

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

Dimensions

  • Nominal diameter 6.5
  • 170mm
  • Overall diameter 187mm
  • Baffle cutout diameter 146mm
  • Overall depth 104mm
  • Flange thickness 11mm
  • Mounting depth 93mm
  • Volume occupied by the driver (estimated) 0.67L
  • Net weight 1.6kg
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

Similar speaker drivers to B&C Speaker 6HCX51

B&C Speaker 6FHX51 Coaxial

B&C Speaker 6FHX51

8 Ω
6.5 Coaxial
fS85 Hz
SD132 cm²
85 - 18000 Hz
QTS0.37
xmax5.7 mm
SPL1W91.3 dB
Bl/√RE4.82
Pmax300 W
Oberton 6NCX Coaxial

Oberton 6NCX

8 Ω
6.5 Coaxial
fS91.5 Hz
SD131 cm²
80 - 18000 Hz
QTS0.44
xmax5.8 mm
SPL1W90.3 dB
Bl/√RE4.47
Pmax300 W
Beyma 6CMV2 Woofer

Beyma 6CMV2

8 Ω
6.5 Woofer
fS90 Hz
SD140 cm²
95 - 8000 Hz
QTS0.34
xmax5.7 mm
SPL1W91.7 dB
Bl/√RE4.08
Pmax440 W