In practice
Authentic organ sound through modern technology
For the restoration of the 18th-century mechanical organ in the village church of Woubrugge, organ builder Elbertse & Van Vulpen took a special decision: instead of using an air pump to generate wind, an ingenious solution was devised that authentically creates wind through the original bellows. In a collaboration with Festo and ERIKS, the idea was translated into a technical solution in which a servo-driven spindle guide, sensors and controls in a custom-built control box take over the work of the ‘calcants’, the organ pedals.
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