Focal FLAX EVO Sub P 30 FSE

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84dB

Thiele & Small parameters

• Resonance frequency (free air) fS 30Hz
• Mechanical quality factor QMS 7.20
• Electrical quality factor QES 1.30
• Total quality factor QTS 1.10

Large signal parameters

• Maximum linear excursion xmax 11mm
• Air volume displaced at xmax VD 561cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz, estimated) LE 2.57mH
• VC Diameter 38mm
• Winding material Copper
• Former material Fiberglass

Magnet

• Force factor Bl 10.2N/A
• Motor constant Bl/√RE 5.7N/√W
• Material Ferrite

Diaphragm

• Effective diameter 255mm
• Effective area SD 510cm²
• Moving mass MMS 220g
• Moving mass (without air load) MMD 212g
• Material Flax

Suspensions

• Stiffness KMS 8.33N/mm
• Compliance CMS 120µm/N
• Equivalent volume to the compliance VAS 42L
• Mechanical resistance RMS 5.76N·s/m
• Surround material Butyl Rubber

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 315mm
• Baffle cutout diameter 276mm
• Overall depth 128mm
• Flange thickness 19mm
• Mounting depth 109mm
• Volume occupied by the driver (estimated) 2L
• Net weight 4.2kg