Focal SUB 30 A4 Single Coil 12" Subwoofer
- Stock Availability: Pre-Order - Contact Us
- Item Condition : New
- Model: 30A4
- SKU: 30A4
- 1 Year Warranty
Focal 12" Single Coil Subwoofer
Performance Access Range
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.
Key Points
- DFS® cone (Dual Fiberglass Structure)
- Powerful 43/4" (12cm) magnet: 250 Watts RMS
- Spider decompression ventilated coil
- Great dynamics
- High power
POWER HANDLING
DFS cone
DFS® technology features robust and reliable cones. Composed with two 90° woven glass fibres and insulated with polyurethane, it resists to extreme acoustic environments and harsh weather conditions.
MODERN APPEARANCE
From a visual standpoint, this new product line is resolutely more modern: doped ABS basket structure, integral terminal block, new tweeter design, contoured grilles, etc.
Technical Characteristics
- Diameter: 12" (300mm)
- Voice-coil diameter: 2" (50mm)
- Voice-coil height: 1" (25mm)
- Magnet: 43/4" (120mm)
- Max. power: 500W
- Nom. power: 250W RMS
- Sensitivity (2,83 V/1 m) : 87dB
- Frequency response: 32Hz – 500Hz
- Impedance: 4 Ohm
Specifications - Access 30A4 12" Subwoofer
- 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 - Access 30A4 12" Subwoofer
- 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
 | Factory fitted In-car Infotainment systems and their wiring can be complex, so we always recommend that you have your installation carried out by a qualified installer. If you wish, Car Communications can arrange for your Kit to be installed at an address of your choice anywhere in the UK. Please select from addons options above before adding the purchase to your cart. During the checkout process you will be asked for your preferred date(s) and time for the installation. Plug & Play For added peace of mind, our products can be professionally installed at your home or workplace anywhere in the UK by our qualified and accredited network of engineers.
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