Evans Onyx Resonant Bass Drumhead 18inch April 25, 2011/in All About Guitars /by sheetmusic$34.99 Condition: New Short sustain. Dark sound. One ply of 7.5-mil black film. Micro-clear matte coating. Internal control ring. 5" offset mic port.Evans Onyx Resonant Bass Drumhead 18inch http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg 0 0 sheetmusic http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg sheetmusic2011-04-25 17:10:172011-04-25 17:10:17Evans Onyx Resonant Bass Drumhead 18inch