FaitalPRO 18HW1070 4Ω

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.1dB
• Frequency response 30 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 32Hz
• Mechanical quality factor QMS 10.60
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 13mm
• Maximum excursion before damage xlim 30mm
• Air volume displaced at xmax VD 1576cm³
• Power handling P 1600W
• Program power Pmax 3200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 1.26mH
• VC Diameter 100mm
• Winding height HVC 31mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.1T
• Force factor Bl 21.6N/A
• Motor constant Bl/√RE 12.5N/√W
• Air gap height HAG 15mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 393mm
• Effective area SD 1212cm²
• Moving mass MMS 265g
• Moving mass (without air load) MMD 236g

Suspensions

• Stiffness KMS 11.1N/mm
• Compliance CMS 90µm/N
• Equivalent volume to the compliance VAS 192L
• Mechanical resistance RMS 5N·s/m

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 422mm
• Overall depth 223mm
• Flange thickness 14mm
• Mounting depth 209mm
• Volume occupied by the driver 7.4L
• Net weight 14.7kg
• Frame material Aluminium