B&C Speaker 15FCX76

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.1dB
• Frequency response 40 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 8.30
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.44

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Air volume displaced at xmax VD 641cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.2mH
• VC Diameter 76mm
• Winding height HVC 16.5mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1T
• Force factor Bl 15.6N/A
• Motor constant Bl/√RE 6.84N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 87g
• Moving mass (without air load) MMD 69.4g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 5.53N/mm
• Compliance CMS 181µm/N
• Equivalent volume to the compliance VAS 187L
• Mechanical resistance RMS 2.63N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 353mm
• Overall depth 199mm
• Flange thickness 16mm
• Mounting depth 183mm
• Volume occupied by the driver (estimated) 4.9L
• Net weight 9.0kg