The  Moog SR Series  Etherwave  Case  is  here to safeguard your  Moog  Etherwave  Theremin  where you need it most and ensure your sound travels far and wide Musician’s report the most important performance a case can offer is protection from impact and protection from water - in that order. With that in mind, we’ve developed Moog SR Series Cases to be the first line of defense for your instrument.