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Anybody use a Tilt EQ?

Two items at my place. My Diamond Bass Compressor has a defeatable tilt EQ that's very useful, especially with two tilt points. As well, I have the old Raven Labs PBR-1 on-board preamp for P-bass in two basses: a P-bass (duh) and a Peavey Fury. The tone control is notched and provides a superb tilting EQ that leaves the essential tone of the bass intact. Another great little Steve Rabe gadget. In terms of tone-shaping, I personally find this approach really practical, especially in the hands of Steve Rabe or Mike Knabbe.
 
TSC

Download this and play with the most popular types of eq and see which one you like best. For an active bass with a three band, I think a tilt eq would cover most needs, but one combined with a Baxandall or James would be quite a powerful option. Add adjustable/sweepable hp and lp filters and you would have an extremely versitile eq.

I have played around with TSC off and on for years.
I am aware of the various tone control circuits and very familiar with the James - Baxandall circuit (both passive and active).
I am just really curious about the usefulness of the Tilt EQ. I have been aware of it because of Tonelux for a few years and it has always intrigued me. I was not aware of how prevalent under different monikers.
Sounds like it can be very useful for bass.
 
Back in the seventies I did try this idea out in an amplifier I built. It worked well as long as all you needed was a smidgen of EQ from flat. I soon realized that separate controls were more intuitive to use. I pulled the circuit out and added another control pot. I’ve not used the circuit again.