B&C Speaker 10NW76

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.8dB
• Frequency response 65 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 67Hz
• Mechanical quality factor QMS 7.00
• Electrical quality factor QES 0.20
• Total quality factor QTS 0.19

Large signal parameters

• Maximum linear excursion xmax 6.5mm
• Air volume displaced at xmax VD 208cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.53mH
• VC Diameter 76mm
• Winding height HVC 18mm
• Winding material Copper Clad Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.35T
• Force factor Bl 17N/A
• Motor constant Bl/√RE 9.81N/√W
• Air gap height HAG 10mm
• Material Neodymium Ring

Diaphragm

• Effective diameter 202mm
• Effective area SD 320cm²
• Moving mass MMS 45.4g
• Moving mass (without air load) MMD 41.1g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 8.13N/mm
• Compliance CMS 123µm/N
• Equivalent volume to the compliance VAS 17.8L
• Mechanical resistance RMS 2.73N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 261mm
• Baffle cutout diameter 233mm
• Overall depth 119mm
• Flange thickness 13mm
• Mounting depth 106mm
• Volume occupied by the driver 1.5L
• Net weight 3.8kg