B&C Speaker 14NDL76

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.7dB
• Frequency response 40 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 41Hz
• Mechanical quality factor QMS 8.20
• Electrical quality factor QES 0.31
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 566cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.0Ω
• Inductance (1kHz) LE 1.1mH
• VC Diameter 76mm
• Winding height HVC 21mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.15T
• Force factor Bl 19N/A
• Motor constant Bl/√RE 8.5N/√W
• Air gap height HAG 10mm
• Material Neodymium Inside Slug

Diaphragm

• Effective diameter 300mm
• Effective area SD 707cm²
• Moving mass MMS 85g
• Moving mass (without air load) MMD 71.7g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 5.78N/mm
• Compliance CMS 173µm/N
• Equivalent volume to the compliance VAS 123L
• Mechanical resistance RMS 2.67N·s/m

Dimensions

• Nominal diameter 13.5″
• 359mm
• Overall diameter 359mm
• Baffle cutout diameter 323mm
• Overall depth 161mm
• Flange thickness 12mm
• Mounting depth 149mm
• Volume occupied by the driver 3L
• Net weight 4.35kg