B&C Speaker 15FHX76

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
• Frequency response 40 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 5.20
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 599cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.5mH
• VC Diameter 76mm
• Winding height HVC 16.5mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.15T
• Force factor Bl 15.5N/A
• Motor constant Bl/√RE 6.8N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 88g
• Moving mass (without air load) MMD 70.4g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 5.46N/mm
• Compliance CMS 183µm/N
• Equivalent volume to the compliance VAS 186L
• Mechanical resistance RMS 4.25N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 354mm
• Overall depth 199mm
• Flange thickness 16mm
• Mounting depth 183mm
• Volume occupied by the driver (estimated) 5L
• Net weight 9.2kg