Evans HYDRAULIC RED 20 - TT20HR
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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 | 20 " |
| Color | Red |
Questions frequently asked
Is the Evans Hydraulic Rouge 20 TT20HR suitable for a 20-inch tom?
This drumhead has a diameter of 20 inches and falls into the tom category, matching a tom of this size.
What sound does a double-ply Hydraulic drumhead with oil produce?
The double-ply construction includes a thin layer of oil between the films. It reduces overtones and limits sustain. The attack remains firm, with a more present low end and a rock character inspired by the early 1970s.
Is this red drumhead transparent?
The finish is transparent and the stated color is red.
Is tuning easy on this 20-inch tom drumhead?
Level 360 technology improves the seating of the drumhead on the bearing edge. This promotes simpler and more consistent tuning, while the oil layer stabilizes the response.
For which styles is the 20-inch Hydraulic drumhead suitable?
This model targets beginner to intermediate drummers seeking a controlled sound. Its double-ply construction and contained sustain suit rock genres and high-energy playing styles.



