PRV Audio 10MR650A-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
• Frequency response 80 - 6500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 62.1Hz
• Mechanical quality factor QMS 15.58
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 5.2mm
• Air volume displaced at xmax VD 208cm³
• Power handling P 325W
• Program power Pmax 650W
• Peak power Ppeak 1300W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.1Ω
• Inductance (1kHz) LE 0.28mH
• VC Diameter 68mm
• Winding height HVC 15.2mm
• Winding material Copper Clad Aluminium
• Former material Polyimide

Magnet

• Force factor Bl 9.96N/A
• Motor constant Bl/√RE 5.66N/√W
• Air gap height HAG 9.5mm

Diaphragm

• Effective diameter 225mm
• Effective area SD 398cm²
• Moving mass MMS 32.9g
• Moving mass (without air load) MMD 27.6g

Suspensions

• Stiffness KMS 5.03N/mm
• Compliance CMS 199µm/N
• Equivalent volume to the compliance VAS 44L
• Mechanical resistance RMS 0.82N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 257mm
• Baffle cutout diameter 234mm
• Overall depth 108mm
• Flange thickness 9mm
• Mounting depth 99mm
• Volume occupied by the driver (estimated) 1.7L
• Net weight 4.7kg
• Frame material Stamped Steel