Evans TT15HG - HYDRAULIC CLEAR 15
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Essential Information About Evans Hydraulic Drumheads
Essential Information About Evans Hydraulic Drumheads
- Ultra-resistant double ply : two layers of 7 mil film for maximum durability.
- Thin oil film integrated between the two plies for natural harmonic control.
- "Fat" and deep sound with a short note, ideal for drums that are easy to place in the mix.
- Seventies rock spirit : the dry and powerful grain popularized in the early 1970s.
Manufacturer Information
Evans
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Historical Context and Positioning in the Range
The Evans Hydraulic have become a benchmark for quickly achieving a controlled, dense, and punchy sound. Their "oil between plies" construction places them among drumheads designed for rock and situations where immediate impact is sought without overwhelming resonances.
Who This Drum/Instrument Is For
These drumheads are aimed at drummers from beginners to advanced who want a sound that is easy to manage and very effective in rehearsal, studio, or on stage. They excel in rock, hard rock, and powerful pop, whenever a short, solid, and "punchy" sound is desired.
Features and Innovations
The thin oil film acts as internal damping: it stabilizes the attack, shortens the note, and reduces harmonics while maintaining a crisp feel. The double ply enhances durability over time, particularly appreciated in energetic playing.
The Sound
The double ply with oil construction favors a low and compact register, with short sustain and controlled projection. The result: a "fat" sound that emphasizes the drum shell's body, with less brightness and fewer overtones, perfect for capturing the "early 70s rock and roll" character.
Technical specifications
| Category | Tom | Diameter | 15 " |
| Head finish | Smooth | Color | Transparent |
| Shaping | Twin Ply | ||
| Two plies of film | 7 mil per ply | ||
Questions frequently asked
Is the Evans TT15HG suitable for a 15-inch tom?
Its 15-inch diameter is designed to fit a tom of that size.
What sound does a clear Hydraulic drumhead produce?
The oil film placed between the two plies dampens overtones and shortens sustain. The resulting tone is deep and focused, with a sharp attack. Projection remains controlled.
Is this drumhead suitable for energetic rock?
Thanks to its two 7-mil film plies, this drumhead withstands powerful hits. It targets rock, hard rock, and aggressive pop sounds, delivering a dense impact.
What is the thickness of the Evans TT15HG?
Each ply of this two-ply head measures 7 mils. The construction includes a thin oil layer between the plies.
Does the clear finish reduce tom resonance?
The internal oil damping reduces overtones and stabilizes the attack. The finish is clear and smooth, described as "Smooth".



