Vienna Suite EQ's don't use linear-phase algorithms.

(Sidenote: Linear Phase EQs are sometimes seen as the "go-to" solution for any equalization task. It's rarely mentioned that the inevitable transient-smearing introduced by a Linear Phase EQ can do more harm to a signal than the phase error of a well-designed Minimum Phase EQ. .... which doesn't mean that an additional Linear Phase algorithm wouldn't be nice-to-have, especially in case of Vienna Suite's Master EQ. :-) ... ) 

Kind regards,