Lyra's Jonathan Carr has stated that extensive testing revealed that the best mono performance was derived from a line-contact stylus (if I understand his remarks correctly). I believe all Lyra mono cartridges now use a line-contact stylus.
-Bob
http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1273328104&openfrom&10&4#10
-Bob
http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1273328104&openfrom&10&4#10