I've narrowed down my search for a MC cartridge to the Sumiko Blue Point and Denon DL 160. The Denon costs less but has a range of 20 - 50,000 HZ vs. the Blue Point's 15 - 35 HZ. Is it better to go with the wider range cartridge or not necessarily? Also, the Denon's output is 1.5 MV vs the Blue Point's 2.5 MV. If I go with the Denon, will I need a pre-preamp because of its relatively low output? I'm presently using the Sumiko Pearl MM, with an output of 4.0mv, 12 - 30 hz.