Musical Frequencies
E8
5.3 kHz
Note: E8
Cosmic Octave Color
Derived visible color (414 nm)
Display swatch #7f52ef
EstablishedMusical Standard
Evidence Level
Established
Source Count
1
Last Reviewed
March 23, 2026
Directly measured, standardized, or well-supported in mainstream scientific or technical literature.
This entry documents a musical reference or standard. It should be read as an acoustic and musical reference rather than a biological claim.
Review the evidence modelMusical note E in octave 8. High treble range.
Period
0.19 ms
Wavelength
6.5 cm
Nearest Note
E8 (0¢)
Claim Type
Musical Standard
Cosmic Octave Color
Derived visible color (414 nm) · #7f52ef
Source
Equal temperament tuning system (A4 = 440 Hz)
Sources
Equal Temperament Tuning System
108 atlas references
The twelve-tone equal temperament reference used for note-frequency lookups throughout the atlas.
Standard equal-temperament note table with A4 = 440 Hz.
Harmonic Series
Octave Ladder
Every audible octave of this frequency — the same tone, higher and lower.
Nearby in the Atlas
Entries within ±35 cents of this tone when reduced to the same octave — candidates for pairing or comparison.
E3Musical Frequencies
164.81 Hz0¢
E4Musical Frequencies
329.63 Hz0¢
E5Musical Frequencies
659.26 Hz0¢
E6Musical Frequencies
1.3 kHz0¢
E7Musical Frequencies
2.6 kHz0¢
E0Musical Frequencies
20.60 Hz-0.1¢
musicequal-temperamentoctave-8