My cd player Marantz CD 5001 has a bright, metalic top end, causing listening fatigue very easy( very annoying at classical music ). I have Polkaudio Rti 6 speakers and Nad 320BEE amp. Can I reduce this brightness replacing the analog interconect cable?, or I have to replace the cd player? I want to replace my Martantz with NAD 515BEE, but I do not know how smooth is the NAD^s treble Do you have any suggestion? Which budget player has a swet, smooth treble? Thank you