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25 A4
10" SINGLE COIL SUBWOOFER
The Access 25 A4 sub is the ideal boost to your car audio system's bass performance. With its 25 cm (10") diameter and its 200 W RMS rated power, it is ideally suited for fitting in a sealed or bass reflex enclosure.
HIGH PERFORMANCE for a compact subwoofer
The 25 A4 provides the bass your car audio installation needs. Its Kapton-mounted 50 mm coil with spider decompression ventilation gives this speaker high power handling. With its butyl suspension, the DFS® cone is a consistent performer. And its 120 mm magnet provides very high performance and optimises the power delivered.
ENCLOSURE MOUNTED
•Compact sealed enclosure: 15-25L (0.52 - 0.88 cu.ft)
•Bass reflex enclosure: 20-35L (0.71 - 1.23 cu.ft)
WHAT MAKES IT SPECIAL
•DFS® cone (Dual Fiberglass Structure)
•Powerful 43/4" (120 mm) magnet: 200 Watts RMS
•Spider decompression ventilated coil
•High SPL
25A4 10" (25cm) subwoofer SPECIFICATIONS
- Nominal power: 200W RMS
- Maximum power: 400W
- Sensitivity (2,83V/1m): 85.45dB
- Cone: DFS® (Dual Fiberglass Structure)
- Surround: Butyl
- Nom. impedance: 4 ohms
- DC resistance: 4.2 ohms
- VC diameter: 50mm
- VC height: 25mm
- Former: Kapton
- Layers: 4
- Wire: Copper
- Inductance: 2.85mH
- Xmax: ± 8.5mm
- Magnet d x h: 120mm x 30mm
- Magnet weight: 1250g
- Flux density: 0.8T
- Gap height: 8mm
- Net weight: 3.5kg
PARAMETERS
- Fs: 23.5Hz
- Vas: 49.85 liters
- Qts: 0.506
- Qes: 0.562
- Qms: 5.059
- Re: 4.19 ohms
- Sd: 330.06cm2
- Cas: 3.55e-07 m5/n
- Mas: 129.23kg/m4
- Ras: 3771.9 ohms.ac
- Cms: 3.26e-04 m/n
- Mms: 140.79g
- Rms: 4.109Kg/s
- Ces: 908.39mF
- Les: 50.49mH
- Res: 37.72 ohms
- BI: 12.45n/a
- SPL: 82.45 dB/W/m