They constructed 48 units, classified as 031+130TA, which were painted chocolate brown like all the Nord's compounds and assigned to the Le Bourget and Hirson depots.
They go on tour in Europe along with Evergrey and After Forever, at the Hirson festival and Trophées « hard rock » broadcast on MCM, as well as on acoustic show cases… At the end of 2003, they go on tour from Amsterdam to Grenade and all around Europe with the American band Symphony X. The last promotional date of « Duality » is at « Tournai Prog Event Festival » in Belgium, at the beginning of 2004