B&C Speaker 18HTX100

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.5dB
• Frequency response 44 - 800Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 6.30
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 13mm
• Air volume displaced at xmax VD 1573cm³
• Power handling P 800W
• Program power Pmax 1600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 1.16mH
• VC Diameter 100mm
• Winding height HVC 25.1mm
• Winding material Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.5T
• Force factor Bl 26.3N/A
• Motor constant Bl/√RE 11.3N/√W
• Air gap height HAG 10.2mm
• Material Neodymium Ring

Diaphragm

• Effective diameter 393mm
• Effective area SD 1210cm²
• Moving mass MMS 159g
• Moving mass (without air load) MMD 129g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 12N/mm
• Compliance CMS 83µm/N
• Equivalent volume to the compliance VAS 173L
• Mechanical resistance RMS 6.96N·s/m

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 423mm
• Overall depth 299mm
• Flange thickness 16mm
• Mounting depth 283mm
• Volume occupied by the driver (estimated) 8.9L
• Net weight 12.65kg