Evans 12 Inch Hydraulic Glass Clear Drumhead Brass & Wind Valves: 4 top pistons

Valves: 4 top pistons

Frequency response: 40 Hz to 20 kHz

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Blending timeless design with modern engineering

player-friendly experience

Evans 12 Inch Hydraulic Glass Clear Drumhead Brass & Wind Valves: 4 top pistonsEvans clear Hydraulic series features a thin film of oil between two plies of thin film offering maximum durability, a fat, deep and short sound pioneered by early 70's rock and roll. Hydraulics are famously easy to tune, making them a perfect fix for troublesome drums and players with little tuning experience. Evans Level 360 technology is incorporated to extend the level playing surface of the drumhead, 360 degrees around the drum. The vertically