Evans TT20HB - HYDRAULIC BLUE 20
Estimated Shipping Widget will be displayed here!
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
https://www.daddario.com
------------------------
Safety manager:
D'Addario Europe Ltd
Email:
Address:
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 | 20 " |
| Head finish | Clear | Color | Blue |
| Shaping | Twin Ply | ||
| Two plies of film | 7 mil per ply | ||
Questions frequently asked
Is the Evans TT20HB head suitable for a 20-inch tom?
Its 20-inch diameter corresponds to a tom that fits a head of this size.
What sound does a 20-inch blue Hydraulic head offer?
The two-ply construction with oil produces a deep, focused tone. The sustain is short, while overtones are reduced.
What is the thickness of the Evans TT20HB?
Each film ply measures 7 thousandths of an inch. The head features a double-ply construction with a thin film of oil between the plies. This design enhances durability during aggressive playing.
Is this head suitable for rock and hard rock?
This configuration is intended for rock, hard rock, and powerful pop settings, providing a clear attack and immediate impact.
Is the finish of this tom head transparent?
The transparent finish is combined with a blue color.



