B&C Speaker 4MCX36

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.8dB
• Frequency response 150 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 150Hz
• Mechanical quality factor QMS 3.90
• Electrical quality factor QES 1.20
• Total quality factor QTS 0.91

Large signal parameters

• Maximum linear excursion xmax 3mm
• Air volume displaced at xmax VD 17cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.87mH
• VC Diameter 34mm
• Winding height HVC 11mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 0.74T
• Force factor Bl 5.27N/A
• Motor constant Bl/√RE 2.23N/√W
• Air gap height HAG 6mm
• Material Neodymium Ring

Diaphragm

• Effective diameter 84mm
• Effective area SD 56cm²
• Moving mass MMS 6.2g
• Moving mass (without air load) MMD 5.9g
• Material Waterproof Front Side

Suspensions

• Stiffness KMS 5.62N/mm
• Compliance CMS 178µm/N
• Equivalent volume to the compliance VAS 0.8L
• Mechanical resistance RMS 1.5N·s/m

Dimensions

• Nominal diameter 4″
• 100mm
• Overall diameter 127mm
• Baffle cutout diameter 103mm
• Overall depth 83mm
• Flange thickness 2mm
• Mounting depth 81mm
• Volume occupied by the driver (estimated) 0.23L
• Net weight 0.55kg