#html-body [data-pb-style=RP56GMW]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll} The AP 6.5 feature a 32 mm pure copper voice coil, for high power handling and outstanding low frequency control. All the woofer don’t employ any filter, to maximize efficiency: the dome profile has been optimised with Klippel R&D Scan Vibrometer to obtain a calibrated mechanical low-pass cut-off frequency. The surround features the exclusive shallow “Triple Wave” profile, for maximum excursion linearity. Specifications Size - 165mm (6.5") Power Handling - 210W peak Power Handling - 70W RMS Impedance - 4Ω Frequency Response 60Hz ÷ 5KHz Voice Coil Ø - 32mm (1.26") Sensitivity - 93.5db SPL Magnet High density flux ferrite Dome Water-repellent treated paper cone