I also found pulling them apart helps, but bass wise they easily get outperformed by my sub.
Did anyone know if tightening the hex screws helped sonically? I'm sure I read that on the Golds it helped tighten things up.
If anyone is looking to mount their R270s on granite then Morrison's sell the perfect size for the R270s footprint called Trivets.
Just need to get some spike shoes now, anyone know a cheap place to get some, obviously needing eight.