B&C Speaker 6CLA51

Woofer

Nominal diameter6.5″ / 170 mm
Resonance96 Hz
Q factor0.32
Sensitivity92.1 dB
Linear excursion± 4.8 mm
Program power500 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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 92.1dB
  • Frequency response 100 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 96Hz
  • Mechanical quality factor QMS 2.90
  • Electrical quality factor QES 0.36
  • Total quality factor QTS 0.32

Large signal parameters

  • Maximum linear excursion (one way) xmax 4.8mm
  • Air volume displaced at xmax VD 63cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.0Ω
  • Inductance (1kHz) LE 0.9mH
  • VC Diameter 51mm
  • Winding height HVC 13.5mm
  • Winding material Aluminium
  • Former material Polyimide

Magnet

  • Flux density B 1.05T
  • Force factor Bl 11.4N/A
  • Motor constant Bl/√RE 5.1N/√W
  • Air gap height HAG 8mm
  • Material Neodymium Inside Slug

Diaphragm

  • Effective diameter 130mm
  • Effective area SD 132cm²
  • Moving mass (including air load) MMS 15g
  • Moving mass MMD 13.8g
  • Material Waterproof Front Side

Suspensions

  • Stiffness KMS 6.76N/mm
  • Compliance CMS 148µm/N
  • Equivalent volume to the compliance VAS 4.3L
  • Mechanical resistance RMS 3.15N·s/m

Dimensions

  • Nominal diameter 6.5
  • 170mm
  • Overall diameter 180mm
  • Baffle cutout diameter 146mm
  • Overall depth 80mm
  • Flange thickness 7mm
  • Mounting depth 73mm
  • Volume occupied by the driver (estimated) 0.46L
  • Net weight 1.2kg
B&C Speaker 6CLA51 Impedance
B&C Speaker 6CLA51 SPL
B&C Speaker 6CLA51 Dimensions

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