Evans BD20GB4UV UV EQ4 BASS HEAD 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 Within the Range
The UV EQ4 range carries the DNA of the UV1 heads with the same UV hardened sanding and 10-mil single ply film, adding a dedicated harmonic control system. It is positioned as a "ready-to-play" solution for the bass drum, designed to quickly achieve a clear and controlled sound without the need for multiple damping accessories.
Target Audience for This Drum/Instrument
The UV EQ4 bass drumhead is aimed at drummers from beginner to advanced levels who seek an immediately usable sound for rehearsals, studio, or stage. It is especially suitable for styles where the bass drum needs to remain clear and controlled (rock, pop, funk, gospel, contemporary music), while maintaining a natural playing feel under the beater.
Features and Innovations
Its key feature is the internal fixed harmonic attenuation ring, integrated to limit excessive resonance, shorten sustain, and homogenize the response across the head. Combined with the 10-mil single ply and UV sanding, this creates an effective combination: increased durability, consistent strike, and sound control without complex adjustments.
Sound Characteristics
The single ply film promotes an open and dynamic response, with good nuance articulation and a more "alive" feel than a thicker construction. The UV hardened sanding provides a defined and lasting attack, useful for maintaining a consistent touch and stable sound over time.
The internal ring directly affects the harmonics: the bass drum gains focus, the low end becomes cleaner, and the note decays more quickly. The result: more punch, more controlled projection, and a sound that is easier to place in a mix without excessively muffling the natural resonance.
Technical specifications
| Category | Bass drum |
| Head finish | Coated |
| Shaping | Single Ply |
| Diameter | 20 " |
| Color | White |
| Type | bass drumhead |
| Film | single ply |
| Film Thickness | 10 mil |
| Finish | patented UV hardened sanding |
| Attenuation | internal fixed harmonic attenuation ring |
| Effect | sustain reduction |
Questions frequently asked
Is the Evans BD20GB4UV EQ4 compatible with a 20-inch bass drum?
This drumhead is designed for a 20-inch bass drum. Its 20" diameter must match the shell diameter.
What sound does the EQ4 drumhead's internal ring produce?
The fixed internal ring dampens overtones and reduces sustain. The low end becomes clearer, with more controlled projection.
What is the film thickness of this bass drumhead?
The single-ply film has a thickness of 10 mils. This construction promotes dynamic response and an open playing feel.
Is the UV sanding on this bass drumhead durable?
The white sanding is UV-cured using a patented process. This finish combines increased durability with a focused attack.
For which styles is the UV EQ4 20-inch drumhead suitable?
This drumhead is suitable for rock, pop, funk, gospel, and contemporary music. Its built-in damping ring helps maintain a clear bass drum sound in the mix. It is designed for drummers from beginners to advanced players.
