B&C Speaker 15CL76

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.8dB
• Frequency response 40 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 4.70
• Electrical quality factor QES 0.27
• Total quality factor QTS 0.25

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 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 1mH
• VC Diameter 76mm
• Winding height HVC 19mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.15T
• Force factor Bl 19.1N/A
• Motor constant Bl/√RE 10.2N/√W
• Air gap height HAG 11mm
• Material Neodymium Inside Slug

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 107g
• Moving mass (without air load) MMD 89g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 7.41N/mm
• Compliance CMS 135µm/N
• Equivalent volume to the compliance VAS 140L
• Mechanical resistance RMS 5.98N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 389mm
• Baffle cutout diameter 353mm
• Overall depth 171mm
• Flange thickness 11mm
• Mounting depth 160mm
• Volume occupied by the driver 4.4L
• Net weight 3.8kg