28-Feb-2021, 04:27
(27-Feb-2021, 16:45)alandbush Wrote: Anyone remember the Densen Demagic disc? (Still available apparently)
Works on a similar principle. Review here.
No, they're not in the slightest similar.
The Densen Demagic disc worked something like a degaussing signal. You played the disc and the signal acted to dissipate magnetic buildup in parts of the signal chain.
I have no idea how this thing works, or f it works, but it is not claimed to produce an effect upon audio equipment. It's claimed to produce an effect upon the listener while they are in the field produced by the signal. That means you have to have the signal playing while you have music playing which means you use a different device to play the Schumann frequency. There are at least 2 stand alone devices that have been available to do this for many years now, one from Acoustic Revive and one from another company. The product above is an app for a Mac OS desktop or laptop computer which would need to be played over a separate speaker to your system speakers.
So it's a very different thing to discs like the Densen disk.
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