Aztec Music reissued "Milesago" on CD for the first time, with extra tracks. The label then reissued "Spectrum Part One" in 2007, with its bonus tracks titled "Spectrum Part Two". A second EP, "Breathing Space Too", was released on Volcano in 2009, and a third EP, "Breathing Space As Well", followed in 2011. Spectrum played in either three- or four-piece mode. Spectrum's bass guitarist Bill Putt died of a heart attack on 7 August 2013. Rudd continued Spectrum with Dirk Dubois very briefly then Broc O'Connor on bass guitar, Daryl Roberts on keyboards and Peter 'Robbo' Robertson on drums and percussion. Spectrum's keyboardist Lee Neale died on 31 March 2019.