FaitalPRO 18XL1800 8Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.5dB
• Frequency response 30 - 1600Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 29Hz
• Mechanical quality factor QMS 9.90
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 20.2mm
• Maximum excursion before damage xlim 36mm
• Air volume displaced at xmax VD 2394cm³
• Power handling P 1600W
• Program power Pmax 3200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 2.04mH
• VC Diameter 100mm
• Winding height HVC 45mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.15T
• Force factor Bl 25.4N/A
• Motor constant Bl/√RE 11N/√W
• Air gap height HAG 14mm
• Material Neodymium Sectors

Diaphragm

• Effective diameter 389mm
• Effective area SD 1187cm²
• Moving mass MMS 275g
• Moving mass (without air load) MMD 246g

Suspensions

• Stiffness KMS 9.09N/mm
• Compliance CMS 110µm/N
• Equivalent volume to the compliance VAS 216L
• Mechanical resistance RMS 5.1N·s/m

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 422mm
• Overall depth 233mm
• Flange thickness 14mm
• Mounting depth 219mm
• Volume occupied by the driver 7.3L
• Net weight 10.2kg
• Frame material Aluminium