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Below is the impedance with the capacitor increased to 2 uF (blue trace). The original
(uncompensated) impedance is shown in green. The 2 uF capacitor has flattened out the impedance so
that it rises only slightly above 8 Ohms. Since it is easy to do let's continue to increase the capacitor
value and see if we can get a further improvement. Ideally we would like the impedance to be as flat as
possible...at least above the resonance peak.