PRV Audio 6MB550FT

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.8dB
• Frequency response 85 - 7500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 84.9Hz
• Mechanical quality factor QMS 3.83
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 5.4mm
• Air volume displaced at xmax VD 77cm³
• Power handling P 275W
• Program power Pmax 550W
• Peak power Ppeak 1100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.424mH
• VC Diameter 51mm
• Winding height HVC 14.8mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 9.77N/A
• Motor constant Bl/√RE 4.13N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 135mm
• Effective area SD 143cm²
• Moving mass MMS 12.1g
• Moving mass (without air load) MMD 10.9g

Suspensions

• Stiffness KMS 3.44N/mm
• Compliance CMS 291µm/N
• Equivalent volume to the compliance VAS 8.23L
• Mechanical resistance RMS 1.69N·s/m

Dimensions

• Nominal diameter 6″
• 152mm
• Overall diameter 165mm
• Baffle cutout diameter 142mm
• Overall depth 93mm
• Flange thickness 8mm
• Mounting depth 85mm
• Volume occupied by the driver (estimated) 0.8L
• Net weight 2.7kg
• Frame material Die cast Aluminium