Finnish hifi site audiovideo.fi did an article about using steam pipe insulation jackets as bass traps some years ago. Inspired by it I got myself some as it was easy to purchase through the company I worked in at the time.
Link to the article. Translated by google to english
Unfortunately I don't have original mdats anymore. Only some screencaps that I had posted on a forum in 2018. The peaks end at 500ms.
Link to the article. Translated by google to english
Unfortunately I don't have original mdats anymore. Only some screencaps that I had posted on a forum in 2018. The peaks end at 500ms.