I tried this and noticed like you said to pull up one of your presets and look at them and the settings were slightly different and I do see (hear) the difference. me no being much of a tweeter and not having much time to get on here I didn't get my finding up on this page, sorry, but thanks for this great info!!! this is another one that should be a "sticky"
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"May you be Blessed and our Lord Jesus keep you"