The 440 Hz frequency is used today as the standard tuning frequency in music. However, various debates and theories have surrounded this frequency for years. While some claim that 440 Hz harms human psychology and disrupts harmony with nature, others consider this a conspiracy theory. Additionally, when compared to the 432 Hz frequency, there are claims that 432 Hz is more “natural” and “healing.” Let us now explore this topic in scientific, historical, and musical contexts.
The Standardization of 440 Hz
At a conference held in London in 1939, 440 Hz was accepted as the standard tuning frequency in music. However, the full adoption and global application of this decision took place in 1955.
This frequency corresponds to the sound of A4 (the A note) and serves as the reference for tuning musical instruments in orchestras.
440 Hz: The Devil’s Frequency?
Some conspiracy theorists argue that 440 Hz creates negative effects on human consciousness and mood, even going so far as to call it “the devil’s frequency.” The main claims behind these theories are as follows:
- The Hitler and Nazi Germany Theory: It has been alleged that 440 Hz was adopted by Nazi Germany for mass manipulation purposes. However, there is no scientific evidence to support this claim.
- Incompatibility with Natural Balance: It is argued that 440 Hz is incompatible with the vibrational frequencies of the human body and nature, causing discomfort.
These theories remain scientifically unproven. However, some who believe in the negative effects of 440 Hz advocate for 432 Hz as an alternative.
432 Hz: The “Frequency of Nature”?
432 Hz has been proposed as a musical alternative, with some claiming that this frequency brings greater peace to the human soul. The rationale behind this belief is that 432 Hz is thought to align with the Schumann Resonance (the Earth’s electromagnetic vibrational frequency) and the rhythms of nature.
Listeners of 432 Hz music report that it has a more calming, soothing, and natural effect.
Mozart and the A Note
The claim that Mozart never used the A note is false. On the contrary, during Mozart’s era, the standard tuning frequency was around 432 Hz, and he may have composed his works in line with this frequency. However, this was purely a result of the period’s practices, as all works created before the standardization of 440 Hz were played using various other tuning systems, including 432 Hz.
Tuning Frequencies from Past to Present
- Ancient Times: Tuning systems varied geographically, and there was no established standard.
- Baroque Era (1600–1750): Tuning frequencies were generally around 415 Hz.
- 18th and 19th Centuries: 432 Hz became a widely used tuning standard in Europe.
- Post-1939: 440 Hz was adopted as the international standard.
Musicians and 432 Hz
Some modern musicians and ensembles prefer the 432 Hz frequency for their performances. Examples include:
- Andrea Bocelli: A renowned tenor known to perform in 432 Hz.
- Ludovico Einaudi: A contemporary classical composer who favors 432 Hz.
- Bob Marley: It is claimed that some of Marley’s recordings were tuned in the 432 Hz system.
The Effects of Frequencies on Humans
- 528 Hz and Other Frequencies: Frequencies like 528 Hz, often referred to as the “love frequency,” are claimed to have emotional and spiritual effects. Some alternative therapies and metaphysical approaches advocate the healing vibrations of these frequencies.
- Water Molecule Experiment: The idea that water molecules respond to sounds or words became popular through Masaru Emoto’s experiments. However, these experiments have not been widely accepted scientifically.
The History of A=440 Hz
It is true that the musical standards used today were standardized in the early 20th century. At a conference held in London in 1939, it was proposed to adopt 440 Hz as the standard, which was officially ratified by ISO in 1955. However, claims that speculative conspiracy theories lie behind these decisions lack scientific foundation.
Alternative Frequencies:
Alternative frequencies like A=444 Hz (C=528 Hz) are advocated by some as being more harmonious with the human soul and nature, but there is insufficient scientific evidence to support these claims.
Conspiracy Theories
- Rockefeller and Rothschild Families:
It is frequently claimed that these families played a role in standardizing musical frequencies to control human psychology. However, this is largely based on conspiracy theories and is not supported by direct evidence. - Nazis and Frequencies:
While it is true that music and sound were used in propaganda during World War II, there is no concrete evidence to support the claim that 440 Hz was deliberately chosen to manipulate people.
Scientific and Metaphysical Approaches
- Bioenergy and Chakras:
The idea that frequencies influence human chakras is a spiritual and metaphysical approach. However, this topic has not yet been grounded in solid scientific research. - “The Devil’s Interval” (Diabolus in Musica):
The tritone interval in music (e.g., A and E♭ played simultaneously) was historically considered “disturbing” and was avoided in religious music. However, this is entirely a cultural and aesthetic perception.
Conclusion
The debate between 440 Hz and 432 Hz is shaped by both musical and personal experiences. Scientifically, there is no concrete evidence that 440 Hz is a “devil’s frequency.” However, opinions that 432 Hz gives a more natural and peaceful feeling are supported by individual experiences.
You can watch the video below to feel the difference between 440 Hz and 432 Hz and discover their effects on you.
EN 
TR