The Haven · The Lab
Frequency Haven
Explore sound, frequency and the spaces between.
A quiet place to listen to tones, follow a frequency through its traditions, run your own sound experiments, and read about the ideas people have attached to sound across cultures and centuries.
Explore
What are you seeking?
Start from a feeling rather than a number. Choose one and follow it into the frequencies traditionally associated with it.
Frequency Library
Nine tones to begin with
The nine Solfeggio tones, each with its own history, associations and sound. Play one, and explore the tradition behind it.
174Hz
Solfeggio tone
The lowest tone of the extended Solfeggio set — low, wide and often described as a settling, foundational hum.
- Grounding
- Root energy
285Hz
Solfeggio tone
A low, rounded tone of the extended Solfeggio set, associated in sound-healing practice with restoration and renewal.
- Energy field
- Regeneration
396Hz
Solfeggio tone
The first tone of the classic Solfeggio set, traditionally linked with releasing fear and returning to solid ground.
- Root chakra
- Liberation from fear
417Hz
Solfeggio tone
A tone often described as movement — associated in sound-healing traditions with change and clearing what has stalled.
- Sacral energy
- Creative flow
528Hz
Solfeggio tone
The best known Solfeggio tone — a bright, open pitch widely linked with love, repair and renewal.
- Love
- Heart opening
639Hz
Solfeggio tone
A warm mid-high tone associated in sound-healing traditions with relationship, communication and repair.
- Heart energy
- Relationships
741Hz
Solfeggio tone
A clear, cutting tone traditionally connected with expression, problem-solving and clearing.
- Throat energy
- Truthful speech
852Hz
Solfeggio tone
A high, shimmering tone linked with inner seeing, attention and returning to spiritual order.
- Third eye
- Intuition
963Hz
Solfeggio tone
The highest tone of the extended Solfeggio set — thin, bright and often used to close a listening session.
- Crown energy
- Unity
The Lab
A sound laboratory inside the sanctuary
Generate any tone in your browser, shape its waveform, and watch it move. Nothing plays until you press play.
Open Frequency LabJournal
Notes from the Haven
Guides, deep dives and experiments — written with curiosity first and evidence where evidence exists.
Latest · Frequencies
Solfeggio Frequencies: The Hymn, the Nine Tones, and How to Listen
A medieval hymn, six sung syllables, and a set of tones discovered in the twentieth century. Where the Solfeggio frequencies come from, what each of the nine carries, and how to listen to them.
10 min read
Sound & Listening
Binaural Beats: What They Are, How They Work, and What the Research Says
Two steady tones, one in each ear, and a pulse that exists in neither. How binaural beats work, what the brainwave bands are, where the idea came from, and what research has actually found.
10 min read
Spirituality
Chakra Frequencies: The Seven Centres and the Tones Paired With Them
Seven centres along the spine, each with its own seed sound and, in modern practice, its own tone. Where the chakras come from, how frequencies joined them, and how to listen your way from root to crown.
10 min read
Listen
Real sound from real places
Original field recordings for ambient, meditation, sleep and focus listening, with frequencies you can layer beneath them if you choose. No AI-generated audio.
Featured · Ambient · Sleep
Forest Night
A real night-time forest recording: a steady layer of insects, with small movements and distant sounds drifting in and out.
Real recording · Forest · Night
Ambient
Long-form texture for open attention.
Meditation
Sustained tones and gentle drift.
Sleep
Low, slow and quiet for the night.
Focus
Steady sound that holds without pulling.