NewYorkDave
Well-known member
Yeah, I realized on the drive home tonight that my quick guess was wrong. It occurred to me that the "low boost" pot in the MEQ forms part of the series resistance that helps the mid-cut circuit to do its job. Like I said earlier, it was a quick guess and not a careful analysis :wink:
As you discovered, moving the mid-cut section to the end of the chain takes care of the problem since the treble boost and bass cut pots and the 510-ohm and 1K resistors are providing plenty of series resistance to form the upper part of the midrange voltage divider. The overall insertion loss must be increased by the shunting of the mid-cut pot across the EQP filter section output, but hey, just add more gain to taste :guinness:
As you discovered, moving the mid-cut section to the end of the chain takes care of the problem since the treble boost and bass cut pots and the 510-ohm and 1K resistors are providing plenty of series resistance to form the upper part of the midrange voltage divider. The overall insertion loss must be increased by the shunting of the mid-cut pot across the EQP filter section output, but hey, just add more gain to taste :guinness: