Out here we always end up discussing/recommending audiophile brands of cables which IMO in most cases are voiced. You pay for the voicing in general. If you talk about neutrality, the most neutral cable I have heard yet is Mogami (Japan). Here is a phono cable that is purposefully built for SME and Jelco arms by Jelco using a suitable Mogami conductor:
http://www.jelco-ichikawa.co.jp/e_cable.htm
You can buy them off ebay. They cost hardly anything by but they beat most of the "super cables" we normally talk about. Try it out, not to save your money but to hear a very uncoloured, wide band, clean presentation. It may end up as your reference cable to measure other incoming cables. Just my 0.02.
http://www.jelco-ichikawa.co.jp/e_cable.htm
You can buy them off ebay. They cost hardly anything by but they beat most of the "super cables" we normally talk about. Try it out, not to save your money but to hear a very uncoloured, wide band, clean presentation. It may end up as your reference cable to measure other incoming cables. Just my 0.02.