Rockford Fosgate P3D2-10

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 26.6Hz
• Mechanical quality factor QMS 6.00
• Electrical quality factor QES 0.54
• Total quality factor QTS 0.49

Large signal parameters

• Maximum linear excursion xmax 15.2mm
• Air volume displaced at xmax VD 547cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.2Ω
• Inductance (1kHz, in series) LE 4.5mH
• VC Diameter 64mm

Magnet

• Force factor (in series) Bl 15.5N/A
• Motor constant Bl/√RE 8.66N/√W
• Weight 2.3kg

Diaphragm

• Effective diameter 214mm
• Effective area SD 360cm²
• Moving mass MMS 244g
• Moving mass (without air load) MMD 239g

Suspensions

• Stiffness KMS 6.8N/mm
• Compliance CMS 147µm/N
• Equivalent volume to the compliance VAS 27L
• Mechanical resistance RMS 6.78N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Baffle cutout diameter 232mm
• Mounting depth 157mm
• Volume occupied by the driver 1.98L