PRV Audio 6MR400-4 BULLET

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.5dB
• Frequency response 145 - 12500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 144Hz
• Mechanical quality factor QMS 11.98
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.60

Large signal parameters

• Maximum linear excursion xmax 3.3mm
• Air volume displaced at xmax VD 47cm³
• Power handling P 200W
• Program power Pmax 400W
• Peak power Ppeak 800W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.136mH
• VC Diameter 38mm
• Winding height HVC 9.5mm
• Winding material Copper Clad Aluminium
• Former material Kapton

Magnet

• Force factor Bl 6.37N/A
• Motor constant Bl/√RE 3.36N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 135mm
• Effective area SD 143cm²
• Moving mass MMS 7.94g
• Moving mass (without air load) MMD 6.7g

Suspensions

• Stiffness KMS 6.49N/mm
• Compliance CMS 154µm/N
• Equivalent volume to the compliance VAS 4.4L
• Mechanical resistance RMS 0.6N·s/m

Dimensions

• Nominal diameter 6.5″
• 152mm
• Overall diameter 168mm
• Baffle cutout diameter 144mm
• Overall depth 74mm
• Flange thickness 7mm
• Mounting depth 67mm
• Volume occupied by the driver (estimated) 0.61L
• Net weight 2.18kg
• Frame material Stamped Steel