Telmatronics are calling Groovetube a bit of a prototype but wants to give people a go playing on it. And so it’s available on a very conservative Kickstarter campaign that aims to raise just £4,500 to make it happen. The goal was hit with only 7 backers – that’s how you win at Kickstarting, but perhaps not so much in terms of hard-cash investment.
So what’s the synth like? Well, it starts out by sounding a bit like someone trying to make music by squeaking on a balloon. And then it gets really very interesting indeed. The sound is extracted from a fluorescent plasma tube and can be manipulated by magnets. Playing with a big glowy tube is pretty exciting and definitely gives you a new and innovative way to make sound.
Telmatronics are finding that different tubes have unique tones and respond to differently to manipulation. Voltages can be modulated to control frequency and phase relation. There’s an internal CV sequence, gate pattern generator, digitally controlled LFOs, and sync.
https://www.gearnews.com/telmatronic...ts-in-a-synth/
https://youtu.be/HAgu5eVmk3k
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