The fellow who sold me the outriggers for my Ref. 3.1s has a link on his site for a wide variety of spikes. Perhaps there is something there that will work properly with the Stein Audio stands...?
http://www.oregondv.com/spikes.htm
Good Luck!
-RW-
http://www.oregondv.com/spikes.htm
Good Luck!
-RW-