PRV Audio 18FH2400v2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 40 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40.8Hz
• Mechanical quality factor QMS 9.59
• Electrical quality factor QES 0.51
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 10mm
• Air volume displaced at xmax VD 1353cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 2.66mH
• VC Diameter 101.6mm
• Winding height HVC 26mm
• Winding material Copper
• Former material Kapton

Magnet

• Force factor Bl 23.4N/A
• Motor constant Bl/√RE 10.1N/√W
• Air gap height HAG 12mm
• Material Ferrite

Diaphragm

• Effective diameter 415mm
• Effective area SD 1353cm²
• Moving mass MMS 201g
• Moving mass (without air load) MMD 167g

Suspensions

• Stiffness KMS 13.3N/mm
• Compliance CMS 75µm/N
• Equivalent volume to the compliance VAS 192L
• Mechanical resistance RMS 5.38N·s/m

Dimensions

• Nominal diameter 18″
• 487mm
• Overall diameter 487mm
• Baffle cutout diameter 413mm
• Overall depth 184mm
• Flange thickness 18mm
• Mounting depth 166mm
• Volume occupied by the driver (estimated) 7.1L
• Net weight 13.8kg
• Frame material Die Cast Aluminum