Musical tuning
432Hz
An alternative concert pitch, eight hertz below the modern standard, described by listeners as warmer and less bright.
432 Hz · sine
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About this frequency
432 Hz is catalogued here as a musical tuning. An alternative concert pitch, eight hertz below the modern standard, described by listeners as warmer and less bright. In modern listening practice it is commonly interpreted through the themes below — cultural readings rather than measured effects.
Where it comes from
Before the 1939 international agreement on A = 440 Hz, concert pitch varied widely across Europe. A = 432 Hz appears in that broader history and was later adopted by musicians and sound practitioners who prefer its character.
What's happening acoustically
The difference between 432 Hz and 440 Hz is about 32 cents — audible, but small. Controlled listening studies have not established a distinct physiological effect; reported preference is genuine and largely perceptual.
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