Mario is known for building bluegrass drednaughts, but I've used it in smaller guitars. I taper the back of my bridges, and the PMTE adds a bit of mass and stiffness just behind the bridge. My bridgeplate extends about 1/8" beyond the back of the bridge. It's all part of a system.
There's a lot of talk about top stiffness as if it's a single number, but it's the distribution of stiffness/mass throughout the top that dictates how it vibrates. It's a puzzle, you have to decide which pieces to use and how to fit them together.
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Rodger Knox, PE
1917 Martin 0-28
1956 Gibson J-50
et al
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