Korg Volca Drum Rumpukone/Groovebox

Volca Drum — A Digital Percussion Synthesizer Built for Sound Design

The Volca Drum is a digital percussion synthesizer that abandons PCM-sampled kits in favour of DSP-driven analog modelling. Each of the six parts starts from a trigger waveform — sine, sawtooth, or HPF noise — and is shaped by wave folder, bit reduction, and overdrive to generate overtones and grit. What sets it apart is a physical-modelling waveguide resonator, which adds sympathetic resonances that transform a basic pulse into a body-rich drum voice.

What Sets the Volca Drum Apart in the Volca Lineup

Joining the analog volca beats and volca kick, this model is the first volca to use a custom LCD and the first to ship with a waveguide resonator. Each part carries two independent layers stackable for thickness, and the sequencer memorizes motion across 69 parameters — far more automation depth than any sibling in the series.

Sound Engine — Six Parts, Two Layers, One Resonator

The sound engine is structured around six parts, each containing two layers with their own oscillator, pitch modulator, and amp envelope. Five oscillator types and three pitch-modulator and amp-EG options per layer give broad control over the trigger waveform before it reaches the wave folder and overdrive stages.

• Parts: 6 — each fully assignable, with no fixed kick/snare/hat convention
• Stack two layers per part to create thicker textures or blend different timbres for unique hybrid voices.
• Waveguide resonator — tube and strings models add body or metallic resonance via physical modelling

Sequencer — 16 Steps, Motion Recording, and Pattern Chains

The 16-step sequencer supports both step and realtime recording. Pattern chains link up to 16 sequences into 256-step arrangements. Motion sequence recording captures knob movements during playback, so parameter changes become part of the pattern itself.

• Steps per pattern: 16 with active-step skipping and step-jump triggering
• Pattern chain length: up to 256 steps across 16 linked sequences
• With motion recording, every knob turn is remembered and replayed across 69 parameters as the pattern plays.

Hardware — Connections, Power, and Portability

An etched aluminum front panel and custom LCD replace the segment displays used on earlier volcas. Sync In and Sync Out jacks (3.5 mm) link the unit to other volcas, the electribe, or the SQ-1, while MIDI IN lets it serve as a percussion module inside a DAW.

• Dimensions: 193 × 115 × 39 mm — fits next to a laptop or on a volca rack
• Weight: 370 g excluding batteries
• Thanks to its battery operation with 6 AA alkaline cells, you can play for approximately 10 hours without being tethered to an outlet.

Who the Volca Drum Is Built For

The Volca Drum is the right choice for electronic producers, beatmakers, and live performers seeking drum sounds no sample library can offer. Its dual-layer architecture, motion sequencing, and waveguide resonator invite experimentation rather than preset browsing — rewarding players who enjoy sound design as much as pattern programming. Compact and battery-powered, it works as a standalone sketch tool, a MIDI-triggered percussion module, or a synced voice in a volca rig.

The Volca Series and the Drum's Place in It

Announced at Winter NAMM 2019, the Volca Drum is the third drum-focused entry in Korg's volca lineup, alongside the analog volca beats and volca kick. The series puts unique sound engines — analog, PCM, FM, and DSP-modelled — into a compact, battery-powered form factor. The unit extends that philosophy with physical modelling and a custom LCD.