Evans HYDRAULIC RED 15 - TT15HR
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Information
Information
Manufacturer Information
Evans
https://www.daddario.com
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D'Addario Europe Ltd
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Historical Context and Positioning in the Range
The Hydraulic series is part of Evans' iconic lines, a brand innovating in drumhead design for over 60 years. After creating the first synthetic drumhead, Evans developed solutions that have become benchmarks, including EMAD, Hydraulic, and UV1, designed to meet drummers' practical needs.
Who This Drumhead Is For
This drumhead targets beginner to intermediate drummers seeking immediate results, as well as musicians looking for a controlled sound without spending hours fine-tuning. Perfect for rock and high-energy styles where impact and depth are prioritized.
Features and Innovations
The Hydraulic principle relies on a thin layer of oil between two film plies: it naturally reduces resonances and stabilizes response, making tuning easier. The Level 360 technology improves seating on the bearing edge for simpler and more consistent tuning.
Sound Characteristics
Thanks to its double-ply construction and oil layer, this drumhead delivers a firm attack, a more present low end, and an overall drier sound. Sustain is intentionally limited: fewer unwanted harmonics, more punch, and a very effective "vintage" character to recapture the early 70s rock tone.
Technical specifications
| Category | Tom |
| Head finish | Clear |
| Shaping | Twin Ply |
| Diameter | 15 " |
| Color | Blue |
Questions frequently asked
Is this Evans Hydraulic 15-inch drumhead compatible with a 15-inch tom?
The stated diameter is 15 inches, designed for use on a tom of this size. Its finish is clear and it features a two-ply construction.
What sound does a double-ply Hydraulic drumhead produce?
The double-ply construction combined with a thin oil layer reduces unwanted overtones. The attack remains crisp, with a stronger low-end presence. The controlled sustain limits unwanted harmonics and delivers a rock character inspired by the early 1970s.
Evans TT15HR: Is tuning easy?
The Level 360 technology enhances the seating of the head on the bearing edge. This makes tuning easier and more consistent.
How does the oil layer affect this tom drumhead?
A thin oil layer placed between the two plies stabilizes the response and naturally reduces resonances.
For which styles is the Hydraulic drumhead suited?
Designed for rock and high-energy styles, this head emphasizes impact and depth. It is suitable for beginner to intermediate drummers seeking a controlled sound.



