c_tecks Posted September 28, 2020 Share Posted September 28, 2020 Hi all, Since I was going to insert some acoustic foam in my 1x12 I thought why not make a small comparison of open back vs closed back vs closed back treated with foam. Here's the result: https://youtu.be/xu9yHOSsl1M What do you think of the difference? Quote Link to comment Share on other sites More sharing options...