In EQ III, HF and LF Q changes value when set to notch and you duplicate the plug-in by option + dragging the plug-in to another track.

This is a known issue with EQ III in Pro Tools 6.9, and is fixed in EQIII 6.9cs1.

Here's where you can download from the Digidesign website:
http://www.digidesign.com/download/eq3/
Keywords: DigiSupKW DigiSupKW_Answerbase ; PlatformKW_Undefined ; ArticleID 21899 ; OldAnswerbaseID 29799 ;