Rockford Fosgate T2S1-13

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 25Hz
• Mechanical quality factor QMS 2.93
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 34mm
• Air volume displaced at xmax VD 2404cm³
• Power handling P 2000W
• Program power Pmax 4000W

Voice Coil

• Nominal impedance Z 1Ω
• DC resistance RE 0.9Ω
• Inductance (1kHz) LE 0.53mH
• VC Diameter 101mm

Magnet

• Force factor Bl 12.2N/A
• Motor constant Bl/√RE 12.9N/√W
• Weight 14.97kg

Diaphragm

• Effective diameter 300mm
• Effective area SD 707cm²
• Moving mass MMS 414g
• Moving mass (without air load) MMD 401g

Suspensions

• Stiffness KMS 10.2N/mm
• Compliance CMS 98µm/N
• Equivalent volume to the compliance VAS 69.3L
• Mechanical resistance RMS 22.2N·s/m

Dimensions

• Nominal diameter 13″
• 330mm
• Baffle cutout diameter 312mm
• Mounting depth 246mm
• Volume occupied by the driver 7.08L