PRV Audio RS12-SUBD4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 42.7Hz
• Mechanical quality factor QMS 9.90
• Electrical quality factor QES 0.79
• Total quality factor QTS 0.73

Large signal parameters

• Maximum linear excursion xmax 17.5mm
• Air volume displaced at xmax VD 964cm³
• Power handling P 500W
• Program power Pmax 1000W
• Peak power Ppeak 2000W

Voice Coil

• Nominal impedance Z 2 x 4Ω
• DC resistance (in series) RE 6.8Ω
• Inductance (1kHz, in series) LE 6.12mH
• VC Diameter 65.5mm
• Winding height HVC 40mm
• Winding material Copper
• Former material Black Aluminum

Magnet

• Force factor (in series) Bl 23.4N/A
• Motor constant Bl/√RE 8.98N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 265mm
• Effective area SD 551cm²
• Moving mass MMS 238g
• Moving mass (without air load) MMD 228g

Suspensions

• Stiffness KMS 17.2N/mm
• Compliance CMS 58µm/N
• Equivalent volume to the compliance VAS 21.2L
• Mechanical resistance RMS 6.44N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 318mm
• Baffle cutout diameter 290mm
• Overall depth 197mm
• Flange thickness 25mm
• Mounting depth 172mm
• Volume occupied by the driver (estimated) 4.5L
• Net weight 9.78kg
• Frame material Stamped Steel