Solar plexus chakra — E4
329.63 Hz · equal temperament
The solar-plexus anchor uses E4 at 329.63 Hz as the next equal-temperament tone in the ascending chakra sequence. The location is a symbolic front projection chosen for visual coherence, not a claim that bowl resonance changes willpower, digestion, or a physical organ.
Point 3 of 7 in Singing Bowl Chakra Tones
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Eva Rudy Jansen, Singing Bowls: A Practical Handbook of Instruction and Use (secondary)
The handbook introduces Himalayan and Nepalese singing bowls, their resonant sounds, meditation and sound-massage uses, and practical handling; it does not establish a canonical seven-chakra frequency table.