Korg Volca Nubass Vacuum Tube Synthesizer
Korg Volca Nubass Vacuum Tube Synthesizer

Korg Volca Nubass Vacuum Tube Synthesizer

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Powerful and versatile bass synthesis with a sound source based around a vacuum tube oscillator.

 Even today, when digital technology allows electronic musical instruments to simulate any sound imaginable, the warm harmonics and distortion produced by analog vacuum tubes is still sought after. This distinctive sound has a quality beyond words that sets it apart, and cannot be captured by a response curve; it's the unmistakable sound of tubes.

The volca nubass is the first analog synth to be equipped with a Nutube new-generation vacuum tube in its oscillator circuit. By incorporating a vacuum tube, nubass produces a warm, thick, and rich sound, unlike any digital or transistor-based synthesizer. The familiar transistor ladder filter along with overdrive, and huge-sounding distortion, gives it the unmistakable character of a classic bass machine. Coupled with an LFO with flexible routing and sync, nubass also provides numerous possibilities for a new generation of music.

A truly unique bass machine for both classic and new sounds, with the power of modern synthesizer design. It's the volca nubass.

A TRANSISTOR LADDER LOW-PASS FILTER THAT PRODUCES A DISTINCTIVE SOUND

The low-pass filter defines the sound of this bass machine; it uses a transistor ladder design found on classic analog bass synths. This filter is uniquely dynamic in the way it affects a sound more than just ranging from bright-to-dark. Its wide range of timbral possibilities makes it ideal for a broad variety of dance music; you can use it to create the distinctive modulation that can be heard in acid house, or increase the resonance to bring out a sharp character that's appropriate for techno.

ANALOG DRIVER CIRCUIT

nubass is equipped with overdrive that uses an analog circuit reminiscent of a classic stompbox. Turning the knob toward the right compresses the volume while causing mild distortion, adding thickness to your bass sounds. The tone knob also lets you adjust the crispness of the high-frequency range.

 

A 16-STEP SEQUENCER THAT LETS YOU AUTOMATE PARAMETERS

The volca nubass is equipped with a full-fledged 16-step sequencer with a variety of functionality; by using it in conjunction with a rhythm machine, you can construct rhythm tracks or loop music.

You can use the 16 buttons for step input just like the rest of the volca series, or play the buttons as a keyboard for realtime recording. The chain function lets you play back multiple sequence patterns in succession, allowing you to loop up to 16 sequences.

The motion sequence function can record knob movements, applying parameter changes over time to the sound. This can be used when creating loops, or for live performances that are dynamic and original. Up to 16 sequence patterns together with motion sequences can be saved in internal memory.

There's also an active step function that lets you skip steps that you specify during playback; sequence patterns become more dynamic and exciting when they can be edited in real time during performances.

THREE FUNCTIONS TO CREATE GROOVES ON VOLCA NUBASS

The sequencer of the volca nubass provides three functions that add the slap and slide performance techniques that are distinctive of acid bass: these transpose, accent, and slide functions are accessible and controllable through the step sequencer.

Transpose is a function that plays a note one or two octaves higher; it adds movement to the bass line while staying within the original scale. Accent emphasizes a note, creating dynamics that make the rhythm expressive. And the slide function that's indispensable to acid sound creates a smooth transition to the next note. Use these functions to add a sense of groove, and volca nubass will come alive in your performances and compositions.

Randomize settings can be applied to each of these three functions. In addition to generating unpredictable patterns, you can update the randomize settings to keep varying the patterns, bringing out more unexpected and exciting ideas from the sequencer.