PRV Audio RS65-SUBD4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82dB

Thiele & Small parameters

• Resonance frequency (free air) fS 64.5Hz
• Mechanical quality factor QMS 5.00
• Electrical quality factor QES 0.66
• Total quality factor QTS 0.58

Large signal parameters

• Maximum linear excursion xmax 8.8mm
• Air volume displaced at xmax VD 108cm³
• Power handling P 150W
• Program power Pmax 300W
• Peak power Ppeak 600W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.8Ω
• Inductance (1kHz, in series) LE 3.8mH
• VC Diameter 50mm
• Winding height HVC 21mm
• Winding material Copper
• Former material Black Aluminum

Magnet

• Force factor (in series) Bl 16N/A
• Motor constant Bl/√RE 6.12N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 125mm
• Effective area SD 123cm²
• Moving mass MMS 61.8g
• Moving mass (without air load) MMD 60.7g

Suspensions

• Stiffness KMS 11.1N/mm
• Compliance CMS 90µm/N
• Equivalent volume to the compliance VAS 2.07L
• Mechanical resistance RMS 5.01N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 173mm
• Baffle cutout diameter 145mm
• Overall depth 102mm
• Flange thickness 14mm
• Mounting depth 88mm
• Volume occupied by the driver (estimated) 1L
• Net weight 3.3kg
• Frame material Stamped Steel