Dunlop ADU 284 - MEDIUM METAL ERIC SARDINAS - 17,5 X 19,5 X 56 MM
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Manufacturer Information
Jim Dunlop
https://www.jimdunlop.com
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Algam SAS
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A metal bottleneck for a powerful, clear, and authentic sound
The Dunlop 284 "Eric Sardinas" is a bottleneck designed for guitarists who want to capture the direct feel and distinctive character of a metal guitar slide. Its smooth glide facilitates vibratos, subtle nuances, and quick transitions between notes, while maintaining excellent precision on the strings. The metal provides a sharp response, generous sustain, and a pronounced presence in the mix, especially appreciated in blues, rock, and of course slide playing.
With its medium size, it adapts to different hands and positions (ring or pinky finger depending on your technique), and is suitable both for accentuating a riff and for building an entire chorus in slide. A seemingly simple accessory, but incredibly effective in giving more voice and personality to your playing.
Technical specifications
| Category | bottleneck | Flared | Yes |
| Format | medium | Color | Gold |
| Material | brass | ||
| Type | bottleneck / guitar slide | Recommended styles | blues, rock, slide |
| Model | 284 Medium Metal Eric Sardinas | Durability | high |
| Dimensions | 17.5 mm x 19.5 mm x 56 mm | Glide | smooth on the strings |
| Sound | rich and authentic | ||
Questions frequently asked
What are the dimensions of the Dunlop 284 bottleneck?
The stated dimensions are 17.5 mm x 19.5 mm x 56 mm. This medium size is designed for use on the ring or pinky finger depending on the playing technique.
What sound does a brass guitar slide produce?
Brass provides a clear response, generous sustain, and a pronounced presence in the mix.
Is the bottleneck flared?
Its flared design is indicated in the specifications. The gold finish corresponds to the brass material.
For which styles is the Dunlop 284 Medium Metal Eric Sardinas recommended?
This model is recommended for blues, rock, and slide playing. The smooth glide on the strings facilitates vibratos and transitions between notes. Its sound is described as rich and pronounced.
What is the reference of this Eric Sardinas slide?
The specified reference is Dunlop 284 Medium Metal Eric Sardinas. It is a medium-sized metal bottleneck, 56 mm long.



