Speaker ACR Curve 538 suara speaker karakter midbass (woofer) Spec : Diameter Speaker (inch/mm).......5 inch / 127 mm Impedansi ().................................6 Maximum power (Watt)*..............70 Watt* Lebar daerah frekuensi (Hz).........63 Hz 9.6 KHz SPL (2.83 V / 1 m) (dB)...................87 dB Diameter cone efektif (mm).........101 mm Medan magnet (T)..........................0.69 T Berat magnet (Kg/Oz)....................0.14 kg / 5.09 Oz Voice coil diameter (mm)...............25.42 mm Voice coil material..........................Kraft SV Jarak antar lubang baut.................14cm