I've heard lots of Telecaster players say a maple fretboard has a more bright, popping sound than a rosewood fretboard, but I've never been able to hear it.
I would venture a guess that in an acoustic, so much results from the wood combination, the bracing, the body size, the saddle and the nut material that it would be overwhelming. I think any contribution by any other part of the guitar would be so minimal you would need sophisticated sound equipment to hear whatever it contributes.
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