Evans BD18RONX Onyx Resonant 18" Bass Resonant Head:
Onyx Bass Resonant
resonant drumhead for Bass drum
head thickness: 0.19 mm
head diameter: 18"
Sound: a dark and punchy sound with a controlled, short sustain and pronounced low-end.
One ply of 7.5 mil black film with a micro-clear matte coating, an internal control ring, and a 5" offset mic port give the Onyx Resonant head a short sustain with a dark sound.