PRV Audio 12MB1003FT

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
• Frequency response 55 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 51.4Hz
• Mechanical quality factor QMS 6.98
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 6.1mm
• Air volume displaced at xmax VD 372cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 4.5Ω
• Inductance (1kHz) LE 1.02mH
• VC Diameter 76.2mm
• Winding height HVC 17mm
• Winding material Copper Clad Aluminium www.prvaudio.com
• Former material Kapton

Magnet

• Force factor Bl 14.2N/A
• Motor constant Bl/√RE 6.71N/√W
• Air gap height HAG 9.5mm
• Material Ferrite

Diaphragm

• Effective diameter 278mm
• Effective area SD 607cm²
• Moving mass MMS 52.4g
• Moving mass (without air load) MMD 42.6g

Suspensions

• Stiffness KMS 5.5N/mm
• Compliance CMS 182µm/N
• Equivalent volume to the compliance VAS 93.9L
• Mechanical resistance RMS 2.43N·s/m

Dimensions

• Nominal diameter 12″
• 308mm
• Overall diameter 308mm
• Baffle cutout diameter 284mm
• Overall depth 148mm
• Flange thickness 13mm
• Mounting depth 135mm
• Volume occupied by the driver (estimated) 3L
• Net weight 7.12kg
• Frame material Die Cast Aluminum