PRV Audio MT8MR400CF-NDY-4 SLIM

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.5dB
• Frequency response 110 - 13500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 111Hz
• Mechanical quality factor QMS 9.07
• Electrical quality factor QES 0.88
• Total quality factor QTS 0.80

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 80cm³
• Power handling P 200W
• Program power Pmax 400W
• Peak power Ppeak 800W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.104mH
• VC Diameter 38mm
• Winding height HVC 10mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 6.49N/A
• Motor constant Bl/√RE 3.52N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 170mm
• Effective area SD 227cm²
• Moving mass MMS 15.6g
• Moving mass (without air load) MMD 13.1g

Suspensions

• Stiffness KMS 7.63N/mm
• Compliance CMS 131µm/N
• Equivalent volume to the compliance VAS 9.45L
• Mechanical resistance RMS 1.2N·s/m

Dimensions

• Nominal diameter 8″
• 203mm
• Overall diameter 209mm
• Baffle cutout diameter 181mm
• Overall depth 94mm
• Flange thickness 30mm
• Mounting depth 64mm
• Volume occupied by the driver (estimated) 0.48L
• Net weight 0.94kg
• Frame material Stamped Steel