Korg Volca Nubass – Vacuum-Tube Analog Bass Synth with 16-Step Sequencer

The Korg Volca Nubass delivers rich, analogue-style bass tones powered by real Nutube vacuum-tube technology. With its distinctive warmth, punchy ladder filter, and hands-on sequencer, it’s perfect for adding groovy acid basslines to your studio or live setups.

Key Features

• Nutube vacuum-tube oscillator: Offers saw and square waves via genuine tubes, plus a Nutube-driven sub-oscillator for thick, harmonically rich bass
• Classic transistor ladder filter: Provides expressive resonance and squelch that thrive in acid and techno bass sounds
• Analog drive and tone controls: Onboard overdrive offers tube warmth and character, while the tone knob adjusts high-frequency brightness
• 16-step motion sequencer: Record notes and knob sweeps in real time, with functions like transpose, accent, slide, active step, and chain patterns to evolve grooves
• Compact and battery-powered: Runs on six AA batteries or optional DC adapter, plus a built-in speaker for portable play
• MIDI In & Sync I/O: Interfaces with MIDI gear and syncs with other Volcas, Electribes, or external clock sources

Customer Benefits

The Volca Nubass brings classic tube-driven bass textures in an ultra-portable format. Its motion sequencing and acid-style controls breathe life into tracks—ideal for improv, live jams, or studio bass lines that need character and movement.

Quick Specs

• Dimensions: 19.3 × 11.5 × 4.6 cm
• Weight: 370 g (without batteries)
• Voice: Monophonic (single voice)
• Sequencer: 16-step, 16 pattern memory, motion sequencing, chain function, Active Step, and randomisation
• Functions: Transpose, Accent, Slide—classic acid bass tools
• Connectivity: Headphones (3.5 mm), MIDI In, Sync In/Out
• Power: 6 × AA batteries (~8 h) or 9 V DC adapter
• Included: Six AA batteries, sync cable

What’s in the Box

• Korg Volca Nubass synthesizer
• AA batteries for testing
• Sync cable
• User manual

Use Cases / Ideal For

Ideal for acid and electronic music creators, live performers, and mobile musicians seeking that classic tube-laden bass sound. Great for standalone grooves, modular racks, or layering with other Volcas.

Compatibility

Works seamlessly with DAWs and MIDI gear via MIDI In. Syncs tightly with other Volcas or sequencers using Sync In/Out. Built-in speaker and battery power make it truly portable.

Pros & Cons

✅ Pros:

• Warm, textured bass thanks to real Nutube technology
• Flexible, hands-on motion sequencer with expressive controls
• Compact, battery-powerable, and easy to integrate

⚠️ Cons:

• Monophonic only—best suited for basslines, not chords
• Mini-key layout may limit keyboard-style performances

The Korg Volca Nubass combines lush tube-driven tone and expressive funk in a compact, performance-ready package.