PRV Audio MT6CX580-NDY-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
• Frequency response 100 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 106Hz
• Mechanical quality factor QMS 8.54
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 50cm³
• Power handling P 300W
• Program power Pmax 500W
• Peak power Ppeak 1200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.178mH
• VC Diameter 51mm
• Winding height HVC 11mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 7.16N/A
• Motor constant Bl/√RE 4.13N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 135mm
• Effective area SD 143cm²
• Moving mass MMS 11.2g
• Moving mass (without air load) MMD 10g

Suspensions

• Stiffness KMS 4.95N/mm
• Compliance CMS 202µm/N
• Equivalent volume to the compliance VAS 5.77L
• Mechanical resistance RMS 0.87N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 165mm
• Baffle cutout diameter 143mm
• Overall depth 111mm
• Flange thickness 11mm
• Mounting depth 100mm
• Volume occupied by the driver (estimated) 0.72L
• Net weight 1.9kg
• Frame material Aluminium