Equalizer in a Hi Fi system

i think you had made good observations cundare2.....

Eq. is a tool , a means used for an acoustic problem but not the solution but only an element of it at best ...

For example i used Eq. for my headphone to push them nearer the Harman curve but without my other modifications this will be useless ...EQ. cannot replace material acoustics...If it is not a cherry on a cake , we mistake the cherry for the cake ...

Also EQ. work with precise frequencies window, unlike other tool which work on all the wall of sound at once ...I use low cost small battery Shumann generators , cheap one , located at specific points and they work amazingly well to made more organic all the soundfield ... Why ? i dont know ...😊

Welcome to you by the way ...

To all. All good points, but please don’t mistake my Charter Oak for a surgical mixing notch EQ. It is a broad Q tonal adjustment device with broadly overlapping bands used in a mastering setting. It is quite appropriate in a home hi fi playback setup. It is the best tonal adjustment device that I’ve ever heard. Inboard or outboard. I’ll attach a graphic. It’s broad overlapping curves are like classic Baxandall EQs which are the basis for basic bass and treble onboard controls, a 2 band EQ. 

And don’t forget that I’ve heard BOTH in my hi fi system. Y’all really cannot criticize my approach until you’ve done the same. I’m telling you a 2700 dollar pro EQ sounds FAR BETTER than the Loki max. Both in speaker chain and headphone chain. 

https://images.thomann.de/pics/prod/266092_manual.pdf

Page 5 of 7 shows the curves. Thanks