Built to research the affect of a sliding side port the same size as the soundhole, This sideport changes the body fundamental by a full octave, giving you an amazing range of treble boost , down to a low warm bass. It is 6" deep. the volume is Loud when you want it, but can play the subtle tones with the sitka spruce top.Curly Tasmanian Blackwood B&S add the full tonal register that wood has!  Zircote binding frames the body . Curly maple binding on an ebony fingerboard.  One of a Kind !
" this is the loudest mandolin I have ever heard"