B&C Speaker 12CLA76

Woofer

Nominal diameter12″ / 320 mm
Resonance52 Hz
Q factor0.25
Sensitivity96.8 dB
Linear excursion± 5.3 mm
Program Power700 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 96.8dB
  • Frequency response 50 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 52Hz
  • Mechanical quality factor QMS 4.90
  • Electrical quality factor QES 0.26
  • Total quality factor QTS 0.25

Large signal parameters

  • Maximum linear excursion xmax 5.3mm
  • Air volume displaced at xmax VD 277cm³
  • Power handling P 350W
  • Program power Pmax 700W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 0.44mH
  • VC Diameter 76mm
  • Winding height HVC 16mm
  • Winding material Copper Clad Aluminium
  • Former material Glass Fibre

Magnet

  • Flux density B 1.2T
  • Force factor Bl 20.2N/A
  • Motor constant Bl/√RE 8.94N/√W
  • Air gap height HAG 11mm
  • Material Neodymium Inside Slug

Diaphragm

  • Effective diameter 258mm
  • Effective area SD 522cm²
  • Moving mass MMS 64g
  • Moving mass (without air load) MMD 55.5g
  • Material Waterproof Front Side

Suspensions

  • Stiffness KMS 6.8N/mm
  • Compliance CMS 147µm/N
  • Equivalent volume to the compliance VAS 56L
  • Mechanical resistance RMS 4.27N·s/m

Dimensions

  • Nominal diameter 12
  • 320mm
  • Overall diameter 313mm
  • Baffle cutout diameter 283mm
  • Overall depth 143mm
  • Flange thickness 9mm
  • Mounting depth 134mm
  • Volume occupied by the driver 2.3L
  • Net weight 3.3kg
B&C Speaker 12CLA76 Impedance
B&C Speaker 12CLA76 SPL
B&C Speaker 12CLA76 Dimensions

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