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Instruo tòna - Oscillator


Product Description

The tòna module has individual outputs for square, sawtooth, triangle and sine waves. On top of these, it also has an additional wavefolder output. The wavefolder uses the tòna’s sine wave and folds its peaks back and forth several times in order to create complex harmonic overtone patterns.

tòna is controllable via a smooth action 30mm fader. This wavefolder control offers the user high precision when sweeping through a wide spectrum of overtones. The fold amount can also be directly controlled with CV and is scalable with the use of an inbuilt attenuator. The tòna can also be frequency modulated at a dedicated linear FM input with built in attenuator. Rising edge pulses will reset the sawtooth core’s waveform cycle allowing for hard sync to a primary oscillator signal.

The frequency range can descend into LFO territories with a negative DC offset at the 1V/octave or linear FM input all whilst retaining stability for overall output waveforms.

tòna tɔːnə | noun (musical sound) a sound, tone or accent, from Greek Tonus; pitch, voice literally  “tension of string” can also refer to colour  or language


Depth: 27mm


+12V: 40mA
–12V: 40mA


  • Sawtooth core analogue oscillator
  • 1V/octave, Coarse and Fine pitch controls
  • Oscillator hard sync
  • Linear FM with attenuator
  • Individual outputs for Sine, Triangle, Sawtooth and Square waveforms
  • CV controllable ‘timbre’ wavefolder with dedicated output

Product Videos

Instruo - Tona (Saw-Core Analogue VCO with Linear FM & Wavefolder) 15:13

This is Tona from Instruo. It's a 12HP saw core analogue VCO with the usual square, saw/ramp, triangle and sine wave outputs but there's also an on board wave folder that takes the sine and uses a slider to create the fold level as well as a CV input and attenuator to modulate the folding. There's also a sync and linear FM input. It tracks well, sounds great, and works great with the Ts-L as a complimentary pair of oscillators. Subscribe for more DivKid videos: Be awesome! Support me on Patreon -

  • Instruo - Tona...
    This is Tona from Instruo. It's a 12HP saw core analogue VCO w...

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