PRV Audio 12MB1000FT

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.7dB
• Frequency response 70 - 3200Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 52.7Hz
• Mechanical quality factor QMS 13.35
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 6.9mm
• Air volume displaced at xmax VD 394cm³
• Power handling P 500W
• Program power Pmax 1000W
• Peak power Ppeak 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 1mH
• VC Diameter 76mm
• Winding height HVC 19mm
• Winding material Aluminum
• Former material Glass Fiber

Magnet

• Force factor Bl 16.5N/A
• Motor constant Bl/√RE 6.93N/√W
• Air gap height HAG 10.5mm

Diaphragm

• Effective diameter 270mm
• Effective area SD 573cm²
• Moving mass MMS 55.9g
• Moving mass (without air load) MMD 46.5g

Suspensions

• Stiffness KMS 6.17N/mm
• Compliance CMS 162µm/N
• Equivalent volume to the compliance VAS 74.6L
• Mechanical resistance RMS 1.39N·s/m

Dimensions

• Nominal diameter 12″
• 310mm
• Overall diameter 315mm
• Baffle cutout diameter 282mm
• Overall depth 147mm
• Flange thickness 15mm
• Mounting depth 132mm
• Volume occupied by the driver (estimated) 3.2L
• Net weight 7.62kg
• Frame material Die Cast Aluminium