Marten Coltrane speakers based system installation… November 20, 2016 Matej Isak System installation by Gydotron Audio; Metronome Kalista Reference CD Transport, Jeff Rowland Aeris DAC, Jeff Rowland Corus Preamp, Jeff Rowland PSU, Jeff Rowland Model 925 monoblocs, Marten Coltrane, Stillpoints & Jorma Cable. www.gydotron.com