Evans BD20GMAD - GMAD CLEAR 20
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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
This head fits within the logic of modern heads featuring external sustain control via the EMAD system. The principle: preserve the natural character of the bass drum while offering immediate damping adjustment, without internal modifications or permanent changes.
Target Audience for This Drum/Instrument
It is particularly suitable for intermediate to advanced drummers seeking a bass drum that cuts through the mix, with present lows and a clear attack. Perfect for Rock and Fusion, it remains highly relevant in Jazz if you prioritize warm lows and controlled sustain depending on the chosen muffler.
Features and Innovations
The G-Plus technology combined with the EMAD system allows switching from an aggressive, precise sound to a more diffuse response in seconds, simply by changing the external muffler (13 mm for more openness, 18 mm for greater control). The transparent finish promotes a direct response and a clear playing feel.
Sound
With its single 12 mil ply, this head emphasizes a bass-heavy attack and excellent stick definition. The damping system modulates sustain: more open for a breathing low end, or tighter for a short, precise bass drum sound that is very effective in close miking situations.
Technical specifications
| Category | Bass drum |
| Head finish | Clear |
| Shaping | Single Ply |
| Diameter | 20 " |
| Color | Transparent |
| Type | bass drum head |
| Configuration | transparent |
| Thickness | single 12 mil ply |
| Interchangeable external mufflers | 13 mm or 18 mm wide |
| Sound | bass-heavy attack, aggressive, precise or more diffuse (depending on muffler) |
| Resonance | warm, huge low-end response |
| Use | live or studio |
| Styles | Rock, Fusion, Jazz |
Questions frequently asked
Is the Evans BD20GMAD compatible with a 20-inch bass drum?
Its 20-inch diameter is designed for a bass drum of that size. The drumhead features a clear finish and a single-ply 12-mil construction.
How does the EMAD system work on this bass drum head?
The EMAD system uses interchangeable external mufflers without any intervention inside the bass drum. The 13 mm muffler allows more open sound, while the 18 mm muffler reduces sustain more significantly. Changing the ring quickly adjusts the resonance.
What sound does a clear EMAD 12-mil drumhead provide?
The single-ply 12-mil construction delivers a bass-rich attack with a direct response. Depending on the muffler installed, the bass drum maintains a more open low end or adopts a shorter, more precise response.
Which music styles are suitable for this Evans drumhead?
This drumhead is recommended for Rock, Fusion, and Jazz. Its warm resonance and low-end response can be controlled using the 13 mm or 18 mm EMAD rings.
Is this 20-inch EMAD drumhead suitable for studio use?
It is designed for both live performance and studio use, with adjustable sustain through the external 13 mm or 18 mm mufflers.
