Rockford Fosgate T1S1-10

• Sensitivity (1W, 1m, infinite baffle) SPL1W 82.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 9.43
• Electrical quality factor QES 1.05
• Total quality factor QTS 0.95

Large signal parameters

• Maximum linear excursion xmax 15mm
• Air volume displaced at xmax VD 534cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 1Ω
• DC resistance RE 0.9Ω
• Inductance (1kHz) LE 0.28mH
• VC Diameter 58mm

Magnet

• Force factor Bl 6.7N/A
• Motor constant Bl/√RE 7.06N/√W
• Weight 0.43kg

Diaphragm

• Effective diameter 213mm
• Effective area SD 356cm²
• Moving mass MMS 197g
• Moving mass (without air load) MMD 192g

Suspensions

• Stiffness KMS 13.7N/mm
• Compliance CMS 73µm/N
• Equivalent volume to the compliance VAS 13.1L
• Mechanical resistance RMS 5.5N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Baffle cutout diameter 232mm
• Mounting depth 77mm
• Volume occupied by the driver 0.79L