Frequency
412 Hz
Steady Center
Explore this frequency
Anecdotal / exploratory
What it is
A 412 Hz sine tone, slightly below A4 at 440 Hz. The difference from standard tuning is audible to trained ears as a flatter A.
What users may experience
Often described as settled or slightly softer than a standard A.
Traditional associations
Alternative-tuning communities discuss pitches below 440 Hz as warmer. These are aesthetic and cultural preferences.
Sound & relaxation
Perceived warmth of a tuning is a matter of listener preference and context, which is a well-documented aspect of music perception.
How to use it
A good neutral base for mixer experiments. Pair with a low tone underneath.
Suggested session length
10 · 20 · 30 minutes — listening style: Base tone; intensity: steady.
Safe listening
Stop if you notice discomfort.
Pair with
Physical sound properties, human perception, relaxation effects associated with audio, and traditional frequency beliefs are distinct categories and are kept separate above. Nothing here is medical advice. Read the wellness disclaimer