Stereo or Mono feedback.pdxradio.com forums › feedback.pdxradio.com forums › Portland Radio › Stereo or Mono This topic has 0 replies, 1 voice, and was last updated 5 years, 11 months ago by spud. Viewing 1 post (of 1 total) Author Posts May 2, 2015 at 6:58 pm #10294 spudParticipant I know Stereo and Mono make a big difference when applied to FM broadcast, quality and signal strength (how far it will travel). I wanted to hear the difference in real life if possible. Is there any FMs in Portland broadcasting in mono? 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