The SEAMUS Liftime Achievement Award acknowledges the important contributions of its recipients to the field of electro-acoustic music. The recipient is selected by the Board of Directors of SEAMUS. The prize was first awarded in 1987.

The winners have been:

• 1987 Vladimir Ussachevsky
• 1988 Les Paul
• 1989 Mario Davidovsky
• 1990 Otto Luening
• 1991 Robert Moog
• 1993 John Chowning
• 1994 Max Mathews
• 1995 Milton Babbitt
• 1996 Charles Dodge
• 1997 Louis Barron and Bebe Barron
• 1998 Morton Subotnick
• 1999 Pauline Oliveros
• 2000 Paul Lansky
• 2001 Herbert Brün
• 2002 Don Buchla
• 2003 Jon Appleton
• 2004 Barry Vercoe
• 2005 Wendy Carlos
• 2006 Alvin Lucier
• 2007 Joel Chadabe
• 2008 Miller Puckette