I made this 16” oval hole arch top as a prototypical exercise to use rosewood and, well, an oval sound hole. I find the result truly compelling! A warmer, richer sound with the clear tonal separation usually attributable to the arch top.
Engelman spruce top
Katalox back
Cocobolo sides, fret board, tail piece, headcap, and
binding.
Mahogany neck, bloodwood appointments, violin-grade
aged one-piece maple bridge.
Note the truss rod access under the neck joint cantilever
and the friction-fit dovetailed tail piece.