The Evans 14" Genera Dry single-ply snare drum produces a warm sound with a fat, focused attack and minimal sustain. Small air holes around the edge eliminate stray overtones and tighten up the sound. Evans Genera Snare heads feature a single layer of 10 mil film in combination with a 2 mil harmonic control ring on the underside that "floats" with the head, eliminating excessive harmonics and controlling sustain. For over 40 years, Evans has been in business. a pioneer in drum head manufacturing and design Known for innovative designs such as EMAD, EC2S and the Hydraulic Series, Evans drum heads are manufactured in the USA in a state-of-the-art manufacturing facility. technology Acquired in 1996 by D'Addario and Company, the world leader in musical instrument accessories, the Evans brand is synonymous with quality and consistency.