PRV Audio 8MR500-4 BULLET

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.9dB
• Frequency response 95 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 78.2Hz
• Mechanical quality factor QMS 20.80
• Electrical quality factor QES 0.48
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 3.3mm
• Air volume displaced at xmax VD 78cm³
• Power handling P 250W
• Program power Pmax 500W
• Peak power Ppeak 1000W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 0.132mH
• VC Diameter 38mm
• Winding height HVC 9.5mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 6.45N/A
• Motor constant Bl/√RE 3.45N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 175mm
• Effective area SD 241cm²
• Moving mass MMS 11.5g
• Moving mass (without air load) MMD 8.8g

Suspensions

• Stiffness KMS 2.78N/mm
• Compliance CMS 360µm/N
• Equivalent volume to the compliance VAS 20.8L
• Mechanical resistance RMS 0.27N·s/m

Dimensions

• Nominal diameter 8″
• 203mm
• Overall diameter 210mm
• Baffle cutout diameter 186mm
• Overall depth 88mm
• Flange thickness 7mm
• Mounting depth 81mm
• Volume occupied by the driver (estimated) 0.82L
• Net weight 2.35kg
• Frame material Stamped Steel