Joseph Grado Passes Away feedback.pdxradio.com forums › feedback.pdxradio.com forums › Politics and other things › Joseph Grado Passes Away Tagged: Grado Labs Headphones This topic has 0 replies, 1 voice, and was last updated 6 years, 2 months ago by washnotore. Viewing 1 post (of 1 total) Author Posts February 9, 2015 at 10:14 pm #6510 washnotoreParticipant The inventor of the stereo moving-coil phono cartridge founded Grado Labs an audio-manufacturing company that’s still in the US after 60 years. http://www.avsforum.com/forum/286-latest-industry-news/1887689-joseph-grado-passes-away-90-a.html Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In