Rockford Fosgate P3SD2-10

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 6.20
• Electrical quality factor QES 0.71
• Total quality factor QTS 0.64

Large signal parameters

• Maximum linear excursion xmax 8.4mm
• Air volume displaced at xmax VD 280cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.4Ω
• Inductance (1kHz, in series) LE 2.8mH
• VC Diameter 64mm

Magnet

• Force factor (in series) Bl 14.5N/A
• Motor constant Bl/√RE 7.86N/√W
• Weight 0.04kg

Diaphragm

• Effective diameter 206mm
• Effective area SD 333cm²
• Moving mass MMS 174g
• Moving mass (without air load) MMD 170g

Suspensions

• Stiffness KMS 11N/mm
• Compliance CMS 91µm/N
• Equivalent volume to the compliance VAS 14.3L
• Mechanical resistance RMS 7.05N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Baffle cutout diameter 230mm
• Mounting depth 89mm
• Volume occupied by the driver 2.1L