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Lake Controller Tutorial
Figure 3-38: Lake Ideal Graphic EQ and Resulting Frequency Response
To implement this EQ overlay:
1. Tap and drag the filter tool on the bottom to 500 Hz.
2. Tap and drag the red X upward until the filter’s gain parameter reads 6 dB.
3. Perform these steps for each of the frequencies listed.
The bottom trace in Figure 3-38 shows that the adjacent filters on a Contour or Mesa EQ sum to flat, unlike
all previous graphic equalizer implementations. This is because of the raised cosine filters that give rise to
the Ideal Graphic EQ.
Figure 3‑7 shows a traditional third-octave graphic EQ filter (red curve) in comparison to a third-octave raised
cosine filter. The area highlighted gray shows the difference between the two filter shapes.
Lake Controller Operation Manual rev 1.2.3
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