Dannysound Timbre

Buchla 259 inspired wavefolder

The Timbre is 6HP Eurorack module based on the wavefolder section of the Buchla 259 oscillator as implemented in the Music Easel. The wavefolder adds extra harmonics to input signals that have low harmonic content to creating rich and interesting timbres. Typical input sources to use would be Sine and Triangle waves but you are welcome to try other sources as well! The Dannysound Timbre adds an extra input to the Buchla design to allow 2 oscillators to drive the wavefolder simultaneously – this dramatically increases the range of possible tones that can be generated and allows the folder to go wild!


Osc1 / Osc2 Mix – Adjusts mix between oscillator 1 and 2 inputs, also acts as an attenuator if only one of the inputs is used.
Timbre Control – Adjusts the overall wavefold amount.
Timbre CV – Bipolar (attenuverter) controls the Timbre CV input.
Symmetry – Adds an offset to the input so the top half of the wave starts folding earlier.
Blend – Mixes between the clean and effected sound.


Osc 1 Input
Osc 2 Input
Timbre CV Input
Symmetry CV Input
Blend CV Input
Audio Output

Assembly Guide:



  • 47 mA +12V
  • 43 mA -12V
  • 0 mA 5V
  • Ø 3.75 (4 Votes) Average Rating

Module is available as a DIY project only.

This Module is currently available.

$112 Price in € submitted Jul 19th 2019, 22:21 by MasterBlueLynx | last Change Jul 12th 2020, 03:04 by davidschwan