B&C Speaker 5FCX44

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.1dB
• Frequency response 60 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 61Hz
• Mechanical quality factor QMS 7.80
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 48cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 44mm
• Winding height HVC 9mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 1.07T
• Force factor Bl 10.5N/A
• Motor constant Bl/√RE 4.44N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 110mm
• Effective area SD 95cm²
• Moving mass MMS 12g
• Moving mass (without air load) MMD 11.3g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 1.89N/mm
• Compliance CMS 530µm/N
• Equivalent volume to the compliance VAS 7L
• Mechanical resistance RMS 0.59N·s/m

Dimensions

• Nominal diameter 5″
• 127mm
• Overall diameter 136mm
• Baffle cutout diameter 122mm
• Overall depth 110mm
• Flange thickness 8mm
• Mounting depth 102mm
• Volume occupied by the driver (estimated) 0.62L
• Net weight 1.85kg