this post was submitted on 13 Jun 2023
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Awesome, I had no idea that the feedback issue could be solved/alleviated by bracing the top to the back of the guitar! How does that work?
Someone once told me it’s because it allows the top and the back to vibrate sympathetically as one piece of wood. I like to think I have a solid grasp on acoustic physics, but I couldn’t tell you why that would result in a lack of feedback. If I had to guess, it’s because the combined mass of the top and back provides a dampening effect as opposed to just the top, which is half as much mass and therefore resonates more easily?