Vertere Acoustics SG-1 – Reference tonearm February 7, 2019 Matej Isak Vertere SG-1 / Reference tonearm / Topwing Red Sparrow cartridge / Reference power supply, and a full Burmester / Dynaudio system. At Element Acoustics. Do note that the music is not recorded live. www.element-acoustics.com vertereacoustics.com