B&C Speaker 10BG76

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.9dB
• Frequency response 49 - 800Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 49Hz
• Mechanical quality factor QMS 5.74
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.22

Large signal parameters

• Maximum linear excursion xmax 9.6mm
• Air volume displaced at xmax VD 307cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 4.1Ω
• Inductance (1kHz) LE 1.37mH
• VC Diameter 76mm
• Winding height HVC 25mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.22T
• Force factor Bl 22.4N/A
• Motor constant Bl/√RE 11.1N/√W
• Air gap height HAG 11.5mm
• Material Neodymium Ring

Diaphragm

• Effective diameter 202mm
• Effective area SD 320cm²
• Moving mass MMS 91.4g
• Moving mass (without air load) MMD 87.1g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 8.7N/mm
• Compliance CMS 115µm/N
• Equivalent volume to the compliance VAS 16.7L
• Mechanical resistance RMS 4.9N·s/m
• Spider material Silicone

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 261mm
• Baffle cutout diameter 233mm
• Overall depth 131mm
• Flange thickness 14mm
• Mounting depth 117mm
• Volume occupied by the driver 1.5L
• Net weight 4.85kg