Korg

Korg VOLCANUBASS-COMBO Vacuum Tube Synth Bundle

4.6 (471 reviews)

Unleash the Power of Analog Bass Experience the unmistakable sound of vacuum tubes with the Korg Volca Nubass. This innovative analog synthesizer combines a new-generation Nutube vacuum tube in its oscillator with a classic transistor ladder filter, overdrive, and distortion. The volca nubass del...

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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

Unleash the Power of Analog Bass

Experience the unmistakable sound of vacuum tubes with the Korg Volca Nubass. This innovative analog synthesizer combines a new-generation Nutube vacuum tube in its oscillator with a classic transistor ladder filter, overdrive, and distortion. The volca nubass delivers warm, thick, and rich bass tones perfect for modern synthesizer design.

Specifications:

  • Keyboard: Multi-touch keyboard
  • Sequencer: 16-step sequencer with pattern chain, 16 pattern storage
  • Synthesis Type: Analog, Monophonic
  • Oscillator: Vacuum Tube Oscillator (VTO) with Korg Nutube
  • Filter: Transistor Ladder Low-Pass Filter
  • Modulation: EG, LFO
  • Effects: Overdrive, Tone
  • I/O: 3.5mm stereo mini jack for Audio out/Headphones, two 3.5mm mini jacks for Sync in/out, 5-pin MIDI DIN connector for MIDI in
  • Power: Six AA alkaline batteries (included)
  • Dimensions: 193 × 115 × 46 mm / 7.61" x 4.54" x 1.82"
  • Weight: 370 g / 0.82 lbs. (excluding batteries)
  • Features: Transpose, accent, and slide functions on the sequencer

Key Features

Vacuum tube oscillator circuit features Korg Nutube technology for the first time

A transistor ladder low-pass filter that produces a distinctive sound

Analog driver circuit adds gain and distortion

Volca sequencer makes performing and composing simple and intuitive

Transpose, accent, and slide functions create grooves on nubass' sequencer

Specifications

Oscillator Circuit
Vacuum Tube (Korg Nutube technology)
Filter Type
Transistor Ladder Low-Pass Filter
Driver Circuit
Analog
Sequencer Features
Transpose, Accent, Slide

Pros & Cons

👍 Pros

  • Integrates Korg Nutube technology into its vacuum tube oscillator circuit for the first time, offering distinctive sound characteristics.
  • Features a transistor ladder low-pass filter, capable of producing a very distinctive sound quality for creative exploration.
  • Includes an analog driver circuit that adds gain and distortion, expanding the sonic possibilities and adding grit to sounds.
  • Equipped with a Volca sequencer, which is designed to make performing and composing straightforward and intuitive.
  • Offers transpose, accent, and slide functions on the sequencer, enabling the creation of dynamic and expressive grooves.

👎 Cons

  • The specialized Nutube technology and analog circuitry may result in a higher cost compared to purely digital alternatives.
  • As a bass synth, its sonic range might be primarily focused on lower frequencies, potentially limiting versatility for other sound types.
  • While intuitive, the Volca sequencer may have limitations in complexity compared to full-featured workstations.
  • The inclusion of a vacuum tube suggests a potential for tube replacement over time, which is not typical for solid-state instruments.
  • The distinctive sound characteristics may not appeal to all users seeking a more traditional or neutral synthesizer tone.

Frequently Asked Questions

The Korg VOLCANUBASS-COMBO features a vacuum tube oscillator circuit that utilizes Korg Nutube technology for the first time, providing unique sonic properties.
This synthesizer is equipped with a transistor ladder low-pass filter, which is designed to produce a distinctive sound.
Yes, it includes an analog driver circuit specifically designed to add gain and distortion to your sounds.
The Volca sequencer is designed to be simple and intuitive, making both performing and composing accessible for users.
Yes, the sequencer includes transpose, accent, and slide functions that allow for the creation of intricate and expressive grooves.