Focal Access 30A4 12” 4-Ohm SVC Subwoofer

The 12" Access 30 A4 subwoofer develops a rated power of 250 W RMS. The essential complement to your car audio installation, it gives your kit heightened dynamics and you benefit from powerful Focal sound. Ideal for use in sealed and bass reflex enclosures, it achieves extreme performance levels and powerful, deep bass.

• DFS® cone (Dual Fiberglass Structure)
• Powerful 43/4" (12cm) magnet: 250 Watts RMS
• Spider decompression ventilated coil
• Great dynamics
• High power

Specifications:
• Nominal power - 250W RMS
• Maximum power - 500W
• Sensitivity (2,83V/1m) - 87.18dB
• Cone DFS® (Dual Fiberglass Structure)
• Surround - Butyl
• Nom. impedance - 4 Ohms
• DC resistance - 4 Ohms
• VC diameter - 50mm 2"
• VC height - 25mm 1"
• Former - Kapton
• Layers - 4
• Wire - Copper
• Inductance - 2,85mH
• Xmax - ± 8,5mm 05/16"
• Magnet d x h - 120mm x 30mm 423/32" x 13/16"
• Magnet weight - 1250g 2.75 lbs
• Flux density - 0.8T
• Gap height - 8mm 05/16"
• Net weight - 3.7kg 8.1 lbs

Parameters:
• Fs - 24.7Hz
• Vas - 86.91 liters
• Qts - 0.671
• Qes - 0.764
• Qms - 5.49
• Re - 4.01 Ohms
• Sd - 510.71cm2
• Cas - 6.19E-07 m5/N
• Mas - 67.1kg/m4
• Ras - 1896.71 Ohms.ac
• Cms - 2.37E-04 m/N
• Mms - 175g
• Rms - 4.947Kg/s
• Ces - 1227.64mF
• Les - 33.82mH
• Res - 28.82 Ohms
• BI - 11.94N/A
• SPL - 84.18 dB/W/m