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Is CS80 actually self-oscillating or I have another problem?

2013-05-23 by pyjamagroove

If I go to the panel mode (both channels) and turn all VCOS, noise and sine off, both VCF up -then I put overall brilliance and keyboard control brilliance up and press like 6 or more keys at the same time, I hear high sine sound and actually a little VCO in the background and some noise clipping while pressing those keys. I´ve noticed this playing presets like brass with all the brilliance up. Do you guys have the same effect or there is something wrong with my CS80?

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