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Trimmers
TRIM: Adjust this trimmer so that the filter bursts into oscillation when the 'resonance' pot is
moved close to its maximum setting. The filter should oscillate from about 100Hz to over the
range of your hearing. Or you can adjust it so that it never goes into oscillation at all. This will
prevent you from accidentally damaging your ears, your tweeters and upsetting your
neighbour's dogs. But hey, that would be boring. Live life in the fast lane. Trim it up so that it
just oscillates when the resonance it up full.
BAL: Listen to the 'Smooth' output. Set the Resonance and Frequency pots to their mid
positions. Turn the LFO modulation depth pot to its maximum value and select the triangle
wave. Adjust BAL until the clicking or buzzing becomes minimised.
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