#WilsonBenesch loudspeakers and infrasonic sub driven by #Ypsilon hybrid electronics.. pic.twitter.com/X9FqT5SNkB — Bernard Žvokelj (Berny2876) April 8, 2019 — Elesorca (@elesorca) April 8, 2019
#WilsonBenesch loudspeakers and infrasonic sub driven by #Ypsilon hybrid electronics.. pic.twitter.com/X9FqT5SNkB — Bernard Žvokelj (Berny2876) April 8, 2019
