Rockford Fosgate P1S2-10

Subwoofer

Nominal diameter10″ / 254 mm
Resonance30 Hz
Q factor0.52
Sensitivity83.1 dB
Linear excursion± 9 mm
Program Power500 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 83.1dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 30Hz
  • Mechanical quality factor QMS 2.70
  • Electrical quality factor QES 0.75
  • Total quality factor QTS 0.52

Large signal parameters

  • Maximum linear excursion xmax 9mm
  • Air volume displaced at xmax VD 333cm³
  • Power handling P 250W
  • Program power Pmax 500W

Voice Coil

  • Nominal impedance Z 2Ω
  • DC resistance RE 1.6Ω
  • Inductance (1kHz) LE 1.16mH
  • VC Diameter 51.6mm

Magnet

  • Force factor Bl 7.9N/A
  • Motor constant Bl/√RE 6.25N/√W
  • Weight 1.28kg

Diaphragm

  • Effective diameter 217mm
  • Effective area SD 370cm²
  • Moving mass MMS 155g
  • Moving mass (without air load) MMD 150g

Suspensions

  • Stiffness KMS 5.5N/mm
  • Compliance CMS 182µm/N
  • Equivalent volume to the compliance VAS 35.4L
  • Mechanical resistance RMS 10.8N·s/m

Dimensions

  • Nominal diameter 10
  • 254mm
  • Baffle cutout diameter 232mm
  • Mounting depth 135mm
  • Volume occupied by the driver 3.6L


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