The singing bowls

Unsere Arbeit

In the 1990s, Peter Hess began developing the Peter Hess® Therapy singing bowls together with partners in India and Nepal, as the good antique singing bowls that he had previously carefully selected for sound massage were becoming increasingly rare. Today, these instruments developed by him are considered the jewel among singing bowls and can be recognized by the “Peter Hess® Therapy” seal.

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The most important things in brief

The Peter Hess® therapy singing bowls are made from pure metals and in a complex process that includes many different work steps.
Fair working conditions and ethical standards were important to Peter Hess from the beginning and still are today.
Each individual bowl is made by hand and undergoes intensive quality controls on its way from Nepal or India to Germany.
Only the singing bowls that meet the high quality standards receive the Peter Hess® Therapy seal.
Manufacturing and quality control are the same for all types of singing bowls – from the head bowl to the cymbal bowl.
The Peter Hess® therapy singing bowls are further divided into premium quality for professional sound work and classic quality for private use.
The therapy singing bowls can be coated with a permanent protective coating; this is recommended for certain areas of application.

Which materials are used to make a Peter Hess® therapy singing bowl?

Only high-quality and, above all, pure metals are used to produce Peter Hess® therapy singing bowls. The use of high-quality metals naturally means higher production costs, but it guarantees exceptional and optimal sound and vibration quality.

The main components of the bronze alloy used to make singing bowls are copper and tin. Small amounts of other pure metals are added. To honor the traditional blacksmithing of earlier times, we add a piece of an old singing bowl to each alloy melt.

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Overview of the traditional manufacturing process of Peter Hess® Therapy singing bowls

The production process of Peter Hess® Therapy singing bowls is a complex and time-consuming process that involves numerous different steps. With this greatly simplified description of the production process, we would like to give you a brief insight.

Production of the bronze alloy

The various metals are melted in the blast furnace to produce a high-quality bronze alloy. The highest possible tin content is essential for the high sound quality.

Casting the singing bowl blanks

In the next step, blanks are poured from the molten metal into a special, lenticular mold. Once the alloy has solidified, they are removed from the molds and tested for their suitability for further processing.

Forging the singing bowl
A singing bowl is now forged, i.e. shaped, from the freshly cast blank using traditional forging tools. Depending on the type of singing bowl, at least 25 forging processes with thousands of hammer blows are necessary until the final shape is achieved. Four to six experienced blacksmiths work on a bowl at the same time. They also monitor the forge fire to heat the cooling alloy again and again if necessary. For the larger bowls, this may be necessary up to 100 times during the entire process. When the shell has reached its final shape, it is cooled in a cold liquid.

Cleaning the singing bowl
The bowl is first roughly cleaned using simple mechanical means and then scraped out by hand. This procedure further contributes to perfecting the sound and vibration behavior.

Polishing the singing bowl
We use a special ash mixture for the final polishing of the singing bowl. Rice straw and mustard oil are burnt and mixed into a creamy paste. The singing bowl is carefully polished with this mixture for several minutes to remove any remaining impurities.

Fine tuning the singing bowl
In the next step, the singing bowl is tuned with special hammers. Various forging techniques are used to precisely shape the form, sound and vibration.

Bevor eine Klangschale ein Gütesiegel erhält, wird sie in Nepal oder Indien einer äußerst intensiven Qualitätskontrolle unterzogen.

Qualitätskontrollen in Indien und Nepal
Wir unterziehen alle unsere Klangschalen einer ersten Kontrolle in Indien und Nepal. So wird sichergestellt, dass die Klang-, Frequenz- und Schwingungseigenschaften sowie das Aussehen den hohen Qualitätsansprüchen einer Peter Hess® Therapieklangschale entsprechen. Verantwortlich für diese Aufgabe ist ein erfahrener Metallingenieur, der maßgeblich am Aufbau der Produktion beteiligt war.

Die Klangschalen, die diese Prüfung bestehen, werden dann aus kleinen Städten Indiens zum Beispiel nach Delhi gebracht. Dort werden sie in speziell eingerichteten Räumen nochmals gründlich geprüft. Hier kommen zum ersten Mal elektrische Messgeräte zum Einsatz: Ein Elektroingenieur und ein erfahrener Mitarbeiter prüfen mit verschiedenen Messverfahren die Qualität der Schalen. Nur die Klangschalen, die dieses strenge Prüfverfahren erfolgreich durchlaufen, werden für den Transport nach Deutschland verpackt.

The Peter Hess® singing bowl types at a glance