FaitalPRO 18FH500 8Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.8dB
• Frequency response 30 - 3150Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 30Hz
• Mechanical quality factor QMS 12.50
• Electrical quality factor QES 0.36
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 9.3mm
• Maximum excursion before damage xlim 18mm
• Air volume displaced at xmax VD 1117cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 1.35mH
• VC Diameter 77mm
• Winding height HVC 22mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.2T
• Force factor Bl 19N/A
• Motor constant Bl/√RE 8.41N/√W
• Air gap height HAG 10.5mm
• Material Neodymium Slug

Diaphragm

• Effective diameter 392mm
• Effective area SD 1207cm²
• Moving mass MMS 137g
• Moving mass (without air load) MMD 108g

Suspensions

• Stiffness KMS 4.76N/mm
• Compliance CMS 210µm/N
• Equivalent volume to the compliance VAS 418L
• Mechanical resistance RMS 2.1N·s/m

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 424mm
• Overall depth 202mm
• Flange thickness 14mm
• Mounting depth 188mm
• Volume occupied by the driver 5.7L
• Net weight 4.6kg
• Frame material Aluminium