MATRIXSYNTH: Flame instruments 4 VOX Quad Polyphonic Wavetable VCO & Funkstill -Threek 13700 morphing Filter

Tuesday, December 03, 2019

Flame instruments 4 VOX Quad Polyphonic Wavetable VCO & Funkstill -Threek 13700 morphing Filter

Published on Dec 3, 2019 Dziam Bass

"Today I have a small movie using 4 VOX Quad Polyphonic Wavetable VCO from Flame instruments and the newest Analog Morphing Multimode Filter Threek 13700 from Funkstill.

I specifically used to show both modules of the ambient patch because it shows the great sound of 4 VOX and you can clearly see the use of morphing with the Threek 13700 filter.

I added LFO for morphing, but also for mode and toggle changes, as you can see the diodes change, it means that the filter changes in different modes: 3 LP, 3 HP, BP, 2L-1H etc.

in 4 VOX I also set 3 different wavetables which, as you hear, change through LFO and morphing, I set two voices for a light move envelope, because the dial can be assigned to various parameters, like chords, envelope, pitch, detune, octaves, semitone and more.

The 4VOX is a quad wavetable oscillator with up to four voices per VCO channel, resulting in a maximum of 16 voices at four individual outputs. Due to a MIDI input the module can be played both with CVs or / and directly via MIDI - MIDI allows for modulating some additional parameters. There are 39 memory locations for wavetables and 32 patches for all global and VCO parameters.

The parameters of a wavetable can be controlled by CVs and by MIDI. For instance you can morph through a wavetable with a CV, a MIDI controller or manually with the potentiometer. The range of waves within a wavetable can be selected by minimum and maximum values ​​individually per voice which allows for creating more complex morphs. Further controllable parameters are Detune, Semitone, Octave, Chord, Portamento, Amplitude and Amp Move (90 degrees phase shifted volume modulation of a VCO's 4 voices). Min and max values ​​can be selected for those parameters as well. Via MIDI it's possible to control further parameters (notes, chords, pitch bend, patch selection and wavetable selection)

More info about 4VOX here:

The Filter Threek 13700 is an analogue, 3 Pole Morphing Filter with 6 steplessly variable and voltage controllable modes. It provides self-oscillation, wave shaping (between the modes) and a lot of modulation possibilities: VC-Mode (continuously), VC-Resonance, Linear FM, two assignable CV inputs and more. It is a low distortion filter, which develops its rough character through the various modulation and feedback possibilities. Especially if you modulate the Mode at audio rates for example with a VCO or by feeding back the output signal to the Mode input (CV1, Out Mode) you can explore very unique und dynamic sounds. With the additional 1 Pole input and 2 Pole output there are 12 filter modes available.

More info about Filter Threek 13700 here:"

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