B&C Speaker 10CL51

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.4dB
• Frequency response 60 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 58Hz
• Mechanical quality factor QMS 3.50
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 176cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 51mm
• Winding height HVC 15mm
• Winding material Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.05T
• Force factor Bl 11.6N/A
• Motor constant Bl/√RE 5.09N/√W
• Air gap height HAG 8mm
• Material Neodymium Inside Slug

Diaphragm

• Effective diameter 202mm
• Effective area SD 320cm²
• Moving mass MMS 30.5g
• Moving mass (without air load) MMD 26.2g

Suspensions

• Stiffness KMS 3.97N/mm
• Compliance CMS 252µm/N
• Equivalent volume to the compliance VAS 36L
• Mechanical resistance RMS 3.18N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 257mm
• Baffle cutout diameter 232mm
• Overall depth 108mm
• Flange thickness 7mm
• Mounting depth 101mm
• Volume occupied by the driver 1L
• Net weight 1.3kg