Drum O's HBL4 - 4" BLACK HOLE REINFORCEMENT SYSTEM
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Essential Information About the Bass Drum O's Original
Essential Information About the Bass Drum O's Original
- Simple and Quick Installation: pencil marking, clean cut, then assembly of the two parts by clipping.
- Immediate Customization: creates a port on the resonant head for a more "pro" look and easier mic mounting.
- Clean and Durable Finish: the ring reinforces the edge of the cut and helps maintain a consistent opening.
- Ready-to-Install Kit: includes an alcohol wipe to optimize adhesion on the bass drum head.
Manufacturer Information
Drum O's
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Safety manager:
VBV International
Email: info@vbvinternational.com
Address:
Historical Context and Positioning in the Range
The Bass Drum O's Original is part of the essential bass drum customization accessories designed to make drummers' lives easier both in the studio and on stage. Within the Bass Drum O's range, the "Original" version represents the most direct and proven approach: a ring designed to create a clean vent on the resonant head without complex shell modifications or added hardware.
Who This Accessory Is For
The Bass Drum O's Original is suitable for beginners seeking an accessible installation as well as intermediate and advanced drummers looking for a more functional setup. It is particularly relevant for styles where the bass drum needs to remain clear and controlled (rock, pop, funk, metal, contemporary music), especially if you use an internal mic or want to more easily adjust damping.
Technical specifications
| Color | Black | ||
Questions frequently asked
What opening diameter does the Drum Oâs HBL4 ring allow?
The HBL4 model corresponds to a 4-inch reinforcement ring, designed to frame a cutout on the bass drum resonant head.
How is a Bass Drum Oâs Original ring mounted?
The assembly consists of two parts: a male part on the outside and a female part on the inside. Adhesive secures the ring to the head after preparation with the provided alcohol pad. A clip under the edge completes the assembly around the opening.
Is the ring black?
This HBL4 version features a black finish.
Does a 4-inch port facilitate bass drum miking?
The opening created in the resonant head facilitates internal mic placement. The air evacuation can also provide a punchier attack and more controlled low end, depending on tuning and damping.
For which drum styles is this reinforcement ring suitable?
Its use is especially adapted to rock, pop, funk, metal, and contemporary music where the bass drum needs to stay clear and controlled. The reinforcement secures the perimeter of the cutout made in the resonant head.



