SUB101A Duo (double SH-101 entièrement construit, sous-oscillateur Eurorack)
This is a fully build version of the SUB101A Duo (dual SH-101 type sub-oscillator).
Give your Eurorack synth some juicy low end with this Sub-Oscillator.
Size : 3U, 6HP.
Skiff compatible.
Power draw : 13mA on positive rail, nothing on negative rail.
100% handmade with love in Switzerland.
I put together a circuit that adds a square wave sub-oscillator to your modular synth for some really beefy tones
This Sub Oscillator tracks an oscillator signal from a VCO and generates a square wave at -1 or -2 octaves below. Works best with sawtooth, triangle, Sinus waveforms or simple square waves.
There’s a pot that mixes between the 2 sub-octaves and if you set it to 50% it sounds just like the famous Roland SH-101 pulse sub-oscillator.
For this to work, you need to route the oscillator output of your VCO into the sub-oscillator Input. Then you get the sub-oscillator signal at the output. Mix it back with the original signal through an audio mixer module to enjoy that juicy low end.
This circuit is fully RoHs compliant (Lead Free).
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