Available as an assembled Module and as a DIY project.
This Module is currently available.
Dual Analog Voltage Controlled Oscillator
The Dual VCO is a 4hp dual analog voltage controlled oscillator. Each VCO has square, triangle, and sine wave out, coarse and fine tuning controls, a control voltage input, and a switch for selecting exponential or linear cv in.
When a control voltage is inserted, the fine tune control becomes an attenuator for the incoming voltage. In exponential mode, when the attenuator is fully clockwise, the VCO will track around 5 volts per octave.
Each VCO runs from 5 seconds a cycle up to 18k hz
Very Stable, Temperature compensated
There are two main flaws to this 8038 oscillator design
Below 300 hz the waveform symmetry is slightly off. triangle waves get a little uneven in the lfo range they are more asymmetrical, the sine is not completely perfect to begin with the bottom trough and in the lfo range it slopes slightly, and the square turns more trapezoidal above 1khz(see scope shots on my site)
Also it doesn’t track 1 volt per octave perfectly. usually the 2nd and 4th octave will be a couple cents off.
Other than those idiosyncrasies, it is a powerful, stable dual oscillator in a small footprint with no cross talk between oscillators. It’s great for: drones and beating sine or triangle waves, cross modulating itself for interesting clocks/LFOs, creating complex waveforms/timbres through lin/exp frequency modulation.
also there will be a "normal" aluminum panel with black screen print and no extraneous graphics coming out next month. im calling these panels the soul-less series...
DIY kit: $145
pcbs come with smd matched transistors pre-soldered everything else is through hole
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These merchants probably sell this module. Huh?