PRV Audio 12MR1200X

• Sensitivity (1W, 1m, infinite baffle) SPL1W 100dB
• Frequency response 70 - 6500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 52.5Hz
• Mechanical quality factor QMS 8.56
• Electrical quality factor QES 0.21
• Total quality factor QTS 0.21

Large signal parameters

• Maximum linear excursion xmax 4.5mm
• Air volume displaced at xmax VD 248cm³
• Power handling P 600W
• Program power Pmax 1200W
• Peak power Ppeak 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 0.23mH
• VC Diameter 76mm
• Winding height HVC 14mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Force factor Bl 22N/A
• Motor constant Bl/√RE 9.14N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 265mm
• Effective area SD 552cm²
• Moving mass MMS 54.3g
• Moving mass (without air load) MMD 45.1g

Suspensions

• Stiffness KMS 5.92N/mm
• Compliance CMS 169µm/N
• Equivalent volume to the compliance VAS 71.8L
• Mechanical resistance RMS 2.09N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 316mm
• Baffle cutout diameter 285mm
• Overall depth 138mm
• Flange thickness 16mm
• Mounting depth 122mm
• Volume occupied by the driver (estimated) 3.5L
• Net weight 9.36kg
• Frame material Die Cast Aluminium