PRV Audio 6MB400

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.1dB
• Frequency response 95 - 7500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 117Hz
• Mechanical quality factor QMS 8.97
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.60

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 59cm³
• Power handling P 200W
• Program power Pmax 400W
• Peak power Ppeak 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz) LE 0.53mH
• VC Diameter 38mm
• Winding height HVC 12mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 8.26N/A
• Motor constant Bl/√RE 3.34N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 137mm
• Effective area SD 147cm²
• Moving mass MMS 9.8g
• Moving mass (without air load) MMD 8.5g

Suspensions

• Stiffness KMS 5.35N/mm
• Compliance CMS 187µm/N
• Equivalent volume to the compliance VAS 5.69L
• Mechanical resistance RMS 0.81N·s/m

Dimensions

• Nominal diameter 6.5″
• 152mm
• Overall diameter 168mm
• Baffle cutout diameter 143mm
• Overall depth 78mm
• Flange thickness 8mm
• Mounting depth 70mm
• Volume occupied by the driver (estimated) 0.63L
• Net weight 2.16kg
• Frame material Stamped Steel