13th December 2010
Christian Knufinke Software has announced that until the end of December 2010 there is a special 25% discount for all CKS products. This includes the SIR2 reverb plug-in and the HDIR Extra Package of Impulse Responses.
14 May 2008 Christian Knufinke updates SIR2 to v2.3.004
01 Nov 2007 Christian Knufinke Software updates SIR2 to v2.1
14 Aug 2007 Christian Knufinke Software releases SIR2
04 Jan 2006 Knufinke SIR v1.011 now available
28 Apr 2005 Knufinke updates SIR to v1.010
20 Apr 2005 Jeff Rippe releases SIR Delay