Rgurney's point is well taken, you certainly don't have to use Linn tonearms or cartridges on an LP12. But I think some caution is in order with respect to tonearms.
A lot of newer tonearms are quite heavy (e.g. the SME and higher range Origin Live)compared to the Ekos, and these don't work optimally with the LP12's suspension. And an Ekos II is a great tonearm, and purchased used is a very good buy at around $1500. I really don't think one can find a better tonearm in this price range for an LP12.
Cartridges are a different matter altogether - no limitations here. I actually think the Akiva is amazingly good (made by Lyra) but not cheap. The Klyde is nice enough (made by Goldring), but over priced by a few hundred dollars. The entry level Adikt (around $350) is very compelling for the money - actually my favorite mm cartridge.
A lot of newer tonearms are quite heavy (e.g. the SME and higher range Origin Live)compared to the Ekos, and these don't work optimally with the LP12's suspension. And an Ekos II is a great tonearm, and purchased used is a very good buy at around $1500. I really don't think one can find a better tonearm in this price range for an LP12.
Cartridges are a different matter altogether - no limitations here. I actually think the Akiva is amazingly good (made by Lyra) but not cheap. The Klyde is nice enough (made by Goldring), but over priced by a few hundred dollars. The entry level Adikt (around $350) is very compelling for the money - actually my favorite mm cartridge.