if you want to use cardioids, your best bet will be three at 120° angles.
As briefly used by Michael Gerzon: <http://www.michaelgerzonphotos.org.uk/microphones-calrecs.html> Paul -- Paul Hodges _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound