I posted this same question a couple of years ago, here are a couple links for you.
I use Elrod NON Sig 3's on my Prodigy's.
Good luck.
http://forum.audiogon.com/cgi-bin/fr.pl?cspkr&1037546845&openmine&zzBtstrg&4&5#Btstrg
http://forum.audiogon.com/cgi-bin/fr.pl?fcabl&1099171802&read&keyw&zzpower=cords=for=martin=logan
I use Elrod NON Sig 3's on my Prodigy's.
Good luck.
http://forum.audiogon.com/cgi-bin/fr.pl?cspkr&1037546845&openmine&zzBtstrg&4&5#Btstrg
http://forum.audiogon.com/cgi-bin/fr.pl?fcabl&1099171802&read&keyw&zzpower=cords=for=martin=logan