FaitalPRO 18HP1030 4Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.8dB
• Frequency response 35 - 1600Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 12.30
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 12.5mm
• Maximum excursion before damage xlim 23.1mm
• Air volume displaced at xmax VD 1509cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 2.9Ω
• Inductance (1kHz) LE 1.08mH
• VC Diameter 100mm
• Winding height HVC 28.9mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 21.7N/A
• Motor constant Bl/√RE 12.7N/√W
• Air gap height HAG 12mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 393mm
• Effective area SD 1212cm²
• Moving mass MMS 246g
• Moving mass (without air load) MMD 217g

Suspensions

• Stiffness KMS 12.5N/mm
• Compliance CMS 80µm/N
• Equivalent volume to the compliance VAS 172L
• Mechanical resistance RMS 4.4N·s/m

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 421mm
• Overall depth 208mm
• Flange thickness 14mm
• Mounting depth 194mm
• Volume occupied by the driver 6.5L
• Net weight 12.1kg
• Frame material Aluminium