1993 to 1996: Four track mixed to cassette tape.
1996 to 1997: Cassette masters were transferred to minidisc.
1997 to 1998: 4-Track cassette mixed direct to minidisc.
1998 to 1999: Sound on sound minidisc loop.
1998 to 1999: Minidisc masters were transferred to CDR.
1999 to 2000: Digital 4-track mixed direct to CDR.
2000 to 2001: Digital 16 track mixed direct to CDR.
2002 to 2003: Digital 12 track mixed direct to CDR.
2004 to 2005: Digital 16 track and computer based DAW recording mixed to CDR? Yes, for one album (Inner Turmoil) there was a strange overlapping of old and new (as well as the song Without).
2005 to Present: Computer based recording with a Digital Audio Workstation program.