PRV Audio 5MR450-NDY-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.8dB
• Frequency response 160 - 16000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 150Hz
• Mechanical quality factor QMS 20.74
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 3.3mm
• Air volume displaced at xmax VD 31cm³
• Power handling P 225W
• Program power Pmax 450W
• Peak power Ppeak 900W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.7Ω
• Inductance (1kHz) LE 0.02mH
• VC Diameter 38.1mm
• Winding height HVC 9.5mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 7.94N/A
• Motor constant Bl/√RE 4.13N/√W
• Air gap height HAG 5.8mm

Diaphragm

• Effective diameter 110mm
• Effective area SD 95cm²
• Moving mass MMS 9.14g
• Moving mass (without air load) MMD 8.4g

Suspensions

• Stiffness KMS 8.13N/mm
• Compliance CMS 123µm/N
• Equivalent volume to the compliance VAS 1.56L
• Mechanical resistance RMS 0.41N·s/m

Dimensions

• Nominal diameter 5″
• 127mm
• Overall diameter 147mm
• Baffle cutout diameter 120mm
• Overall depth 75mm
• Flange thickness 9mm
• Mounting depth 66mm
• Volume occupied by the driver (estimated) 0.38L
• Net weight 1.2kg
• Frame material Die Cast Aluminium