Definitely not normal...I have two 6Us and a 3U....what Vow3II said for troubleshooting
-- jb61264

Thanks for confirming. It’s not ‘bad’ and I can use it sometimes without noticing it but when I do notice it it’s annoying..! Shame I can’t use another one for that direct comparison. Im somewhat tempted to just keep it in case another one is worse..!