Evans 20" clear GMAD single-ply bass head contains two interchangeable damping rings that maximize attach and low-end without removing the head or reaching inside the drum. Evans GMAD series features 12mil of single-ply film that delivers increased low end, punch and power when compared to traditional 10mil single-ply heads. Ideal for heavier hitters looking for a solid sound and more life to the head but prefer the feel of a single ply.
20" drum head made using a single ply of 12mil film
Externally Mounted Adjustable Damping system allows the player to adjust attack and focus
Ideal for heavier hitters looking for a solid sound and more life to the head but prefer the feel of a single ply
A 12mil version of the original 10mil EMAD
All Evans drum heads are designed, engineered and manufactured in the USA