by Robin Vincent | Approximate reading time: 2 Minutes
Korg Volca Nubass

Korg Volca Nubass  ·  Source: Facebook


An image of what might be the next Korg Volca has emerged on Facebook overnight and has made its way around every social media stream where synth enthusiasts hang out. It seems to be employing Korg’s own Nutube technology which recently appeared on some modules from Plankton Electronics. Could this be real?


UPDATE: The answer is YES! Click here for all the information.

Korg Volca Nubass

If it’s a fake then it’s very nicely done, like the leaks we had of the Volca Modular and Drum that appeared before NAMM that turned out to be true. The conversation online seems to agree that as a concept a vacuum tube based oscillator is certainly a thing. And Korg using their own Nutube technology, particularly because it draws far less power than a regular vacuum tube making it more battery friendly makes the whole thing more plausible.

In a recent podcast Korg hinted at the imminent arrival of a new Volca at an event scheduled for the 10th May in New York. Korg VP John McCubbery said:


You’d think I would have learned my lesson but as you probably can imagine we’re still developing volcas, we’re still thinking of what we can do later this year, and probably the next Volca is going to have a feature and I bet no one can guess what it is. So there’s my next challenge: do you think anyone can guess? But none of you three [podcasters] are to give any hints, alright? I’m still paying off the last one. Ok. Greetings once again from KORG Japan, all the best lads.

So this is looking more and more likely by the minute and who would have guessed the Nutube feature?

Well, assuming this is real what do we know? It’s a two waveform Vacuum Tube Oscillator (VTO) with a sub-oscillator laden with saturation. There’s a nice big cutoff knob for the voltage controlled filter and a simple Attack/Decay envelope. The LFO has two waveforms and there’s a drive effect. It has the usual Volca motion sequencer and ins and outs.

Looks fabulous and we should know more by the end of the week.

More information

  • It seemed to originate from this Facebook post.
  • More from Korg.
Korg Volca Nubass

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One response to “Korg Volca Nubass vacuum tube synthesizer – is this for real?”

    signal slammer says:

    i call fake lol but it is promising

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