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432Hz vs 440Hz Explained

What Is 440Hz Tuning?

In modern Western music, the standard tuning reference is:

A above middle C = 440Hz

This means that the A note vibrates at 440 cycles per second. All other notes are tuned in relationship to that frequency.

In the late 1800s, pitch varied widely. Orchestras in different cities tuned differently. There was no universal standard.

In 1917, the American Federation of Musicians formalized 440Hz in the United States. By 1953, it became ISO 16 through the International Organization for Standardization and was adopted worldwide.

Today, all modern western instruments including pianos, guitars, orchestral and band instruments are tuned to 440Hz.

It is the official benchmark or standard.

What Is 432Hz Tuning?

A = 432Hz is often called Verdi’s “A,” after the Italian composer Giuseppe Verdi who advocated for a slightly lower pitch standard.

Many musicians and researchers believe that 432Hz aligns more closely with what is often described as the Earth’s natural frequency, a vibration that feels mathematically and energetically consistent with nature.

Music tuned to 432Hz is:Tuning Native American Style Flutes

A growing movement among musicians and spiritual seekers feel that returning to 432Hz restores integrity to sound and that modern music shifted slightly away from nature when 440Hz became dominant.

Whether one approaches this scientifically, spiritually, or intuitively, many players report that 432Hz simply feels better.

Many experience that 432Hz carries a gentler settling quality.  The sound rests in the body differently and they’re taken into a beautiful state of relaxation.

Should You Choose 432Hz or 440Hz?

This depends on how you intend to use your flute.

Choose 440Hz if:

Choose 432Hz if:

For more information on tuning see our Flute Tuning article.