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Pythagoras, 5th century mathematician, is credited with creating the first documented musical tuning system based on 432 Hz as the note of A. He calculated mathematical ratios using string. This is his frequency-based system combined with the notion of human chakras.


Unlike on regular tone boxes, the frequencies are preprogrammed and should work for anyone seeking to use them. Includes a pair of Koss headphones for comfortable listening to the frequencies.

Pythagoras Series™ Dedicated Tone Box

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