Tuning forks:
Shedding light on Frequencies
Each frequency carries a distinct therapeutic effect.
Let’s take a closer look at some of the most commonly used therapeutic tuning fork frequencies.

128 Hz –
Schumann Resonance
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Origin : Inspired by the 17th-century work of Joseph Sauveur, this frequency corresponds to the 7th octave of the number 1.
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Natural Connection : Resonates with the Schumann resonance (~7.83 Hz), the Earth’s natural electromagnetic pulse.
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Effects : Promotes grounding, deep calm, and helps regulate the autonomic nervous system. Also known for releasing muscular tension at a deep level.
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Applications : Ideal for working on areas of physical tension, calming mental restlessness, or preparing for acupuncture or osteopathy sessions.
136.10 Hz –
Earth’s Orbital Frequency
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Origin : Calculated by mathematician Hans Cousto, this frequency is based on the exact duration of a solar year, converted into audible vibration.
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Symbolism : Known as the “Om Note” in some traditions, it resonates with the cyclical rhythm of the Earth and the Heart Chakra (RenMai 17 – DanZhong).
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Effects : Soothes the mind, supports emotional release, and enhances the natural rhythm of the breath. Also widely used to improve sleep and induce deep relaxation.
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Applications : Applied to the chest area or RenMai 17, it encourages open breathing and emotional release.
The Perfect Fifth – Do to Sol
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Nature : A sacred musical interval, found in many spiritual and healing traditions (Pythagoras, Gregorian chants, Sufi music…). It unites opposites, enhances coherence, and supports the body’s self-regulation.
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Frequencies : Commonly used in unweighted tuning forks: 256 Hz (Do) and 384 Hz (Sol) — or 128 Hz and 192 Hz for the lower octave.
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Effects : Harmonizes the autonomic nervous system (sympathetic / parasympathetic), stimulates nitric oxide release, and fosters creativity, coherence, and inner unity.
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Applications : Can be used locally or at a distance, as sound or vibration — especially helpful in energy blockages, emotional tensions, or when seeking inner alignment.
192 Hz –
G Note Frequency
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Origin : This frequency corresponds to the note G (Sol) in the natural scale built from C = 128 Hz. It forms a perfect fifth interval with C, one of the most stable and harmonizing relationships in music and sound therapy.
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Effect : Encourages vertical alignment and inner coherence. It is known for its effects on the articulations and the nervous system, and helps release nitric oxide, a biological messenger that promotes relaxation and circulation.
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Applications : Used on energetic or physical areas of stagnation, to support the opening of the body-mind axis. It is often combined with the 128 Hz tuning fork to form a fifth, but can also be used on its own, especially for grounding, re-centering, and balancing dynamic tensions.
Perfect Fifth :
C to G
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Nature : A sacred musical interval, found in many spiritual and healing traditions (Pythagoras, Gregorian chants, Sufi music…). It unites opposites, enhances coherence, and supports the body’s self-regulation.
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Frequencies : Commonly used in unweighted tuning forks: 256 Hz (Do) and 384 Hz (Sol) — or 128 Hz and 192 Hz for the lower octave.
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Effects : Harmonizes the autonomic nervous system (sympathetic / parasympathetic), stimulates nitric oxide release, and fosters creativity, coherence, and inner unity.
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Applications : Can be used locally or at a distance, as sound or vibration — especially helpful in energy blockages, emotional tensions, or when seeking inner alignment.
Why these frequencies ?
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They form a solid, versatile foundation to address most needs: grounding, nervous system balance, emotional recentering, and energetic alignment.
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They can be used individually, together, or as a natural complement to other therapies (acupuncture, osteopathy, massage, sound relaxation...).
