Focal FLAX EVO Sub P 20 FSE

• Sensitivity (1W, 1m, infinite baffle) SPL1W 78.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 5.00
• Electrical quality factor QES 1.80
• Total quality factor QTS 1.30

Large signal parameters

• Maximum linear excursion xmax 11mm
• Air volume displaced at xmax VD 234cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz, estimated) LE 1.99mH
• VC Diameter 38mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Force factor Bl 7.6N/A
• Motor constant Bl/√RE 4.25N/√W

Diaphragm

• Effective diameter 165mm
• Effective area SD 213cm²
• Moving mass MMS 150g
• Moving mass (without air load) MMD 148g
• Material Flax

Suspensions

• Stiffness KMS 6.67N/mm
• Compliance CMS 150µm/N
• Equivalent volume to the compliance VAS 9L
• Mechanical resistance RMS 6.6N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 214mm
• Baffle cutout diameter 187mm
• Mounting depth 76mm
• Volume occupied by the driver (estimated) 1.5L
• Net weight 3.5kg