2008.05 Russia, Moscow2008.10.16-21 Russia, Chelyabinsk, just to the east of the Ural Mountains2010.10.16-19 Russia, Chelyabinskaya Oblast, Druzhnyy2010.10.16-26 Russia, Yekaterinburg, Sverdlovsk Oblast2010.12.31-2011.01.05 Russia, Chelyabinskaya Oblast, Druzhnyy - Kunashak - Tyuljakovo2010.12.26-2011.01.08 Russia, Chelyabinsk2011.07.25.-27. Arkaim, Russia2018.02.03-04 Norddeutsche HiFi-Tage 2018, Hamburg2017.04.21-22 Sambs Hifi - Tune Audio, Einstein, Glanz, Feickert2016.11.25-26 Sambs Hifi - IsoTek workshop