B&C Speaker 18PS100

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94dB
• Frequency response 30 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 30Hz
• Mechanical quality factor QMS 4.60
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 968cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 2.1mH
• VC Diameter 100mm
• Winding height HVC 21mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.05T
• Force factor Bl 22.5N/A
• Motor constant Bl/√RE 9.77N/√W
• Air gap height HAG 10.5mm
• Material Ferrite

Diaphragm

• Effective diameter 393mm
• Effective area SD 1210cm²
• Moving mass MMS 202g
• Moving mass (without air load) MMD 173g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 7.41N/mm
• Compliance CMS 135µm/N
• Equivalent volume to the compliance VAS 245L
• Mechanical resistance RMS 8.28N·s/m
• Spider material Silicone

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 422mm
• Overall depth 197mm
• Flange thickness 16mm
• Mounting depth 181mm
• Volume occupied by the driver 9.5L
• Net weight 10.2kg