Rockford Fosgate T3S1-19

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 27Hz
• Mechanical quality factor QMS 1.93
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 34mm
• Air volume displaced at xmax VD 5005cm³
• Power handling P 3000W
• Program power Pmax 6000W

Voice Coil

• Nominal impedance Z 1Ω
• DC resistance RE 0.8Ω
• Inductance (1kHz) LE 0.45mH
• VC Diameter 127mm

Magnet

• Force factor Bl 19.1N/A
• Motor constant Bl/√RE 21.4N/√W
• Weight 3.26kg

Diaphragm

• Effective diameter 433mm
• Effective area SD 1472cm²
• Moving mass MMS 1022g
• Moving mass (without air load) MMD 985g

Suspensions

• Stiffness KMS 29.4N/mm
• Compliance CMS 34µm/N
• Equivalent volume to the compliance VAS 105L
• Mechanical resistance RMS 89.8N·s/m

Dimensions

• Nominal diameter 19″
• 483mm
• Baffle cutout diameter 445mm
• Mounting depth 396mm
• Volume occupied by the driver 9.6L