Focal Sub 12 Slim

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 24Hz
• Mechanical quality factor QMS 6.88
• Electrical quality factor QES 0.76
• Total quality factor QTS 0.69

Large signal parameters

• Power handling P 280W
• Program power Pmax 560W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz, estimated) LE 2.41mH
• VC Diameter 20mm

Magnet

• Force factor Bl 11.5N/A
• Motor constant Bl/√RE 6.43N/√W

Diaphragm

• Effective diameter 245mm
• Effective area SD 471cm²
• Moving mass MMS 200g
• Moving mass (without air load) MMD 192g
• Material Polypropylene

Suspensions

• Stiffness KMS 5N/mm
• Compliance CMS 200µm/N
• Equivalent volume to the compliance VAS 62L
• Mechanical resistance RMS 4.38N·s/m
• Surround material Butyl

Dimensions

• Nominal diameter 12″
• 324mm
• Overall diameter 324mm
• Baffle cutout diameter 281mm
• Mounting depth 86mm
• Volume occupied by the driver (estimated) 2.2L
• Net weight 5.0kg