B&C Speaker 10FCX64

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93dB
• Frequency response 65 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 63Hz
• Mechanical quality factor QMS 7.90
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 192cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 1.2mH
• VC Diameter 64mm
• Winding height HVC 13mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 0.96T
• Force factor Bl 13.4N/A
• Motor constant Bl/√RE 5.71N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 202mm
• Effective area SD 320cm²
• Moving mass MMS 37g
• Moving mass (without air load) MMD 32.7g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 5.68N/mm
• Compliance CMS 176µm/N
• Equivalent volume to the compliance VAS 25L
• Mechanical resistance RMS 1.85N·s/m

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 261mm
• Baffle cutout diameter 230mm
• Overall depth 140mm
• Flange thickness 11mm
• Mounting depth 129mm
• Volume occupied by the driver (estimated) 2.2L
• Net weight 5.6kg