I miss my Loudness Button and Tone Controls....

Using an SAE 2400 parametric...

My Helmholtz "mechanical equalizer" with one hundred adjusted tubes resonators and diffusers tuned by my ears, use my ears not a microphone, and not some testing frequency but a large bandwidth spectral set which is called an instrument timbre or voice to guide me in the process of acoustic optimization..

This mechanical equalization work to optimize the room /speakers ---> relation and this grid of Helmhotz resonators and diffusers modify the pressure zones distribution in the room being a permament WORKING part of my room...

This mechanical equalizer is useful to fine tune the relation " from the room TO the speakers with my ears"...

But i can use also with it a useful tool to complement it : an electronical equalizer...

Why?

Because with it i will fine tune the relation "from the speakers TO the room without my ears" using not instrument timbre for my ears, but a tested frequency for a microphone and using an intergated pink noise generator in the Sansui  and an automatic equalization process....

Then the two process are complementary and add something the other CANNOT add ...

But unbeknowst to most people electronical equalization is not enough ALONE for helping our specific ears to recreate all acoustic factors like listener envelopment for example... And mechanical equalization so wonderful it is, is not "accurate" nor perfect but is like  our imperfect ears are imperfect ...But imperfection is not a defect here it is the way our bbrain interpret sound experience... 

my dream now is buying this:

Only a mechanical equalizer or only an electronical equalizer is not enough to OPTIMIZE a small Speakers/ room/ears complex relation...

Acoustic is the sleeping princess all the pieces of gear are only the 7 working dwarves...

Mahgister whats exactly the problem? You dont going to put this in your system??

😁😊

There is no problem and i loved my system/room like it is now...

No upgrade is NECESSARY... Even if a ZOTL amplifier will be better than my Sansui amplifier for example...

My mechanical equalization is satisfying like it is now...

Then no problem...

But i wanted to complete my acoustic optimization process, the only way to do this after mechanical equalization is using also AUTOMATIC electronical equalization to refine what i already have...

It is only my ongoing acoustic experiment obsession ... 😁😊 I am not a gear fetichist nor a tool fetichist...But i am an acoustic fetichist so to speak...

The gear especially when well chosen is secondary to acoustic method...This is my most important discovery in audio....

Most people think the opposite ignoring the huge power of acoustic/psycho-acoustic... They think that acoustic is ONLY the icing on their gear cake...In some case they even think that they dont need acoustic in their room so powerful is gear or tool fetichism....

i think that there exist many equivalent good pieces of gear of all kind between which we can choose, when one is chosen after that, the real IMPROVEMENT and UPGRADE is made by acoustic control of the speakers/room/ears relation...

Electronic equalization is only a tool and mechanical equalization a complementary very important tool, neither is perfect, and none of them alone is enough... Why ?

Because of the specific structure of the ear/brain for each of us and our different listening history...And because of the specific relation of the speakers /room also...

Then a complete acoustic optimization process ask for this two type of equalizations at the same time...

Is this clear?

Mahgister whats exactly the problem? You dont going to put this in your system??

 

Yes thats clear.