The design of the Ethos archtop guitar was inspired by my venture into building violins and violas. What I learned from that style of instrument building, I tried adapting into my most recent model, the archtop Ethos guitar. The overall build style is a little different than a violin but some of the principles are similar. The bridge of the guitar has a connection under the bridge ferrule from the top of the guitar, to the back wood. Here, I tried emulating the sound post of a violin. Other than that (and a thin portion of wood around the entire edge of the guitar keeping it glued together), the guitar is nearly all hollow. The back wood is a solid piece of mahogany that is completely routed out into an arched shape. The same applies for the top. The top was an almost 1" thick piece of mun ebony. It has been completely carved out and arched. To combat feedback at loud volumes, an ebony tone block was put inside the guitar. It runs along the top, to the end of the guitar. The guitar weighs in at 6lbs and is a dream to play. Acoustically, it is very loud and well defined.