Hi, I happen to have a set of cones from a Zoethecus amp stand that was damaged in shipping. In all honesty though the spikes from the link that Roxy54 provided look a lot nicer. I would go with the 1.5" cones with 5/16" threads. If you really want the originals let me know.
Cheers,
Wes
Cheers,
Wes