B&C Speaker 12CXN88

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.9dB
• Frequency response 50 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 8.30
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.22

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 418cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.0Ω
• Inductance (1kHz) LE 1.05mH
• VC Diameter 88mm
• Winding height HVC 21.5mm
• Winding material Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.05T
• Force factor Bl 20.9N/A
• Motor constant Bl/√RE 9.35N/√W
• Air gap height HAG 11mm
• Material Neodymium Ring

Diaphragm

• Effective diameter 258mm
• Effective area SD 522cm²
• Moving mass MMS 60g
• Moving mass (without air load) MMD 51.4g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 6.33N/mm
• Compliance CMS 158µm/N
• Equivalent volume to the compliance VAS 59L
• Mechanical resistance RMS 2.27N·s/m

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 315mm
• Baffle cutout diameter 284mm
• Overall depth 178mm
• Flange thickness 13mm
• Mounting depth 165mm
• Volume occupied by the driver (estimated) 3.3L
• Net weight 6.85kg