Schumann Resonator

@bemused - I don’t own a pink noise generator and my CD player hasn’t been hooked up in15-20 years.

I agree with @theaudiotweak. Measure the sound with a microphone with and without the SGs playing normal audible music, not pink noise. I don’t know anyone who listens to pink noise (by itself). I don’t own a mic or any SGs.

Then please report the results. I’m not looking at lab results; just ones from a normal room where stereos are played. @mahgister seems to say they also need crystals, diamonds, pipes, etc. and he can change the sound with a straw. 
If this doesn’t make you skeptical, I don’t know what will.

Just leave out the bias and bring in intellectual honesty.

If even a non scientist like me understand why not others?

Am i biased?  yes....

Nevermind i can speak truth if you ask me, i can recognize truth, it is why science and mathematics are so precious...

Like experimenting is....

In audio the truth is simple, the way we tune  a system, and it is possible at NO COST, is more important than the audio system itself...

Shumann generators are one means ONLY, and not the better or the more powerful one...

Helmholtz methods are other means ...

 And there exist many others one...

You can boast about your pricey speakers or amplifiers here, truth will not change, tuning and controlling rightfully the working embeddings dimensions of ANY audio system is  key to AUDIOPHILE experience itself nothing else....

Certainly not upgrading, even if it is a pleasure to do if we can....

Anybody can connect a new amplifier or costly speakers to the wall, installing them in the rightful environment is the key....

 Schumann Generators are only one of many tools for that.... Not a tweak, but a step in some dimension among others one....

Dont buy anything, create your own listenings experiments....

@mapman  The Fourier series theory stands behind all of electromagnetism.
The em wave emitted eventually by way of speaker transducer, becomes a sound wave. The cart before the horse scenario. The reason the Schumann frequency affects you, and all human physiology is because the frequency induces a calming, relaxed, yet alert and focused influence.
It is a theta frequency (7-12 Hz).
The idea has nothing to do with sound.
IT has everything to do with the manipulation of e signals that become sound waves.
That's what amps and speakers do.

Again: square wave, Fourier harmonic series, and resonance. All supported by laws of physics, which includes the science of sound. Get it?

Delete previous sentence  " There is no rational explanation out there that connects the dots."  That was not my comment! My bad!

And yes, there is a rational explanation out there that connects the dots!

@sokeogear -
I said that I have measured  between 0.25 and 0.50 dB increase, sometimes more. Take my word for it. Also, the more harmonic resonators are active in the system listening area the greater is the increase in harmonic energy. This correlates to an increase in the S/N or signal-to-noise ratio as well.

I am not concerned with any other accessories or tweaks.