B&C Speaker 15CXN88

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.3dB
• Frequency response 45 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 47Hz
• Mechanical quality factor QMS 12.60
• Electrical quality factor QES 0.31
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 9.5mm
• Air volume displaced at xmax VD 812cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 4.6Ω
• Inductance (1kHz) LE 0.95mH
• VC Diameter 88mm
• Winding height HVC 22mm
• Winding material Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.2T
• Force factor Bl 20.2N/A
• Motor constant Bl/√RE 9.39N/√W
• Air gap height HAG 11mm
• Material Neodymium Ring

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 94g
• Moving mass (without air load) MMD 76.4g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 8.07N/mm
• Compliance CMS 124µm/N
• Equivalent volume to the compliance VAS 124L
• Mechanical resistance RMS 2.2N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 356mm
• Overall depth 208mm
• Flange thickness 15mm
• Mounting depth 193mm
• Volume occupied by the driver (estimated) 4.6L
• Net weight 7.65kg