B&C Speaker 8CLA64

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94dB
• Frequency response 70 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 71Hz
• Mechanical quality factor QMS 7.30
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.24

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 117cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 1mH
• VC Diameter 64mm
• Winding height HVC 14.5mm
• Winding material Aluminium
• Former material SV Kraft

Magnet

• Flux density B 1.2T
• Force factor Bl 16.4N/A
• Motor constant Bl/√RE 6.93N/√W
• Air gap height HAG 8mm
• Material Neodymium Inside Slug

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 27g
• Moving mass (without air load) MMD 24.6g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 5.35N/mm
• Compliance CMS 187µm/N
• Equivalent volume to the compliance VAS 12.5L
• Mechanical resistance RMS 1.65N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 209mm
• Baffle cutout diameter 185mm
• Overall depth 95mm
• Flange thickness 9mm
• Mounting depth 86mm
• Volume occupied by the driver 1.1L
• Net weight 1.7kg