PRV Audio MT8SW800 D4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.6dB

Thiele & Small parameters

• Resonance frequency (free air) fS 45.2Hz
• Mechanical quality factor QMS 10.35
• Electrical quality factor QES 1.00
• Total quality factor QTS 0.92

Large signal parameters

• Maximum linear excursion xmax 14mm
• Air volume displaced at xmax VD 298cm³
• Power handling P 400W
• Program power Pmax 800W
• Peak power Ppeak 1600W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.8Ω
• Inductance (1kHz, in series) LE 4.72mH
• VC Diameter 50mm
• Winding height HVC 33mm
• Winding material Copper
• Former material Black Aluminum

Magnet

• Force factor (in series) Bl 13.6N/A
• Motor constant Bl/√RE 5.2N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 165mm
• Effective area SD 213cm²
• Moving mass MMS 96.2g
• Moving mass (without air load) MMD 93.9g

Suspensions

• Stiffness KMS 7.75N/mm
• Compliance CMS 129µm/N
• Equivalent volume to the compliance VAS 8.44L
• Mechanical resistance RMS 2.64N·s/m

Dimensions

• Nominal diameter 8″
• 203mm
• Overall diameter 211mm
• Baffle cutout diameter 190mm
• Overall depth 127mm
• Flange thickness 25mm
• Mounting depth 102mm
• Volume occupied by the driver (estimated) 1.5L
• Net weight 3.95kg
• Frame material Die Cast Aluminium