PRV Audio 12MR1000 PRO

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.5dB
• Frequency response 70 - 6500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 49.4Hz
• Mechanical quality factor QMS 12.05
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 3mm
• Air volume displaced at xmax VD 173cm³
• Power handling P 500W
• Program power Pmax 1000W
• Peak power Ppeak 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 75mm
• Winding height HVC 11mm
• Winding material Copper Clad Aluminium
• Former material Glass Fiber

Magnet

• Force factor Bl 15.9N/A
• Motor constant Bl/√RE 6.38N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 271mm
• Effective area SD 577cm²
• Moving mass MMS 52.3g
• Moving mass (without air load) MMD 42.8g

Suspensions

• Stiffness KMS 5.03N/mm
• Compliance CMS 199µm/N
• Equivalent volume to the compliance VAS 92.3L
• Mechanical resistance RMS 1.35N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 315mm
• Baffle cutout diameter 284mm
• Overall depth 143mm
• Flange thickness 13mm
• Mounting depth 130mm
• Volume occupied by the driver (estimated) 3.1L
• Net weight 7.4kg
• Frame material Die cast Aluminium