PRV Audio 18SW3600

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.2dB
• Frequency response 35 - 1300Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 32.5Hz
• Mechanical quality factor QMS 10.72
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 13.3mm
• Air volume displaced at xmax VD 1776cm³
• Power handling P 1800W
• Program power Pmax 3600W
• Peak power Ppeak 7200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 2.75mH
• VC Diameter 114mm
• Winding height HVC 34mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Force factor Bl 25.5N/A
• Motor constant Bl/√RE 10.8N/√W
• Air gap height HAG 15mm

Diaphragm

• Effective diameter 413mm
• Effective area SD 1340cm²
• Moving mass MMS 215g
• Moving mass (without air load) MMD 182g

Suspensions

• Stiffness KMS 8.93N/mm
• Compliance CMS 112µm/N
• Equivalent volume to the compliance VAS 280L
• Mechanical resistance RMS 4.1N·s/m

Dimensions

• Nominal diameter 18″
• 457mm
• Overall diameter 465mm
• Baffle cutout diameter 421mm
• Overall depth 212mm
• Flange thickness 18mm
• Mounting depth 194mm
• Volume occupied by the driver (estimated) 7.8L
• Net weight 14.5kg
• Frame material Die Cast Aluminium