NAGRA HD AND AVANTGARDE ACOUSTIC TRIO LUXURY October 12, 2018 Matej Isak Short video of HiFi-Studio Wittmann’s audiophile set-up with Nagra HD-Series and Avantgarde Acoustic TRIO Luxury, Cardas interconnect, Swisscables speaker cable… nagraaudio-hd.com www.avantgarde-acoustic.de www.wittmann-hifi.de