Haandrikman
Audio Systems
With a deep passion for high-end audio systems, Ronald Haandrikman brings decades of expertise in designing and optimizing audio setups. His background in electrical engineering has enabled him to develop various preamplifiers and Class A and AB power amplifiers.
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In response to market demand for isolation transformers as mains filters for high-end audio systems, Ronald developed the Sygnus X-1. Initial tests demonstrated that this device significantly enhances sound reproduction, marking the first step towards entering the high-end audio market in 2022.
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Initially, the business activities took place under the working name Haandrikman Audio Systems within the company Jansen Medicars B.V. From February 2024, these activities are carried out under the private company Haandrikman Audio Systems B.V.
Visit our studio
We invite you to visit our studio to experience our products. Visits are available by appointment, ensuring you receive personalized attention and a comprehensive demonstration.

Demo room - overview

Demo room - audio setup

Demo room -audio rack

Demo room - overview
Current Studio Setup:
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Sygnus X1 or X2
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Nexum HQ Cabling
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Volterra Speakers by Rosso Fiorentino
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Phantome Speaker Cable by Analogue Audio Products
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Paganini CD Player by Analogue Audio (with Super Clock)
To schedule your visit, please contact us by email of phone. We look forward to showcasing our innovative solutions and helping you find the perfect fit for your needs.
Many audio enthusiasts who own a high-end audio system are constantly looking for ways to improve the sound quality. This search includes, for example, experimenting with other cables, feet or audio components. Insufficient attention is often paid to the influence of pollution on the mains and the protective earth, while there is a lot to be gained here.
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Pollution of the mains and the protective earth has a greater impact on sound quality than many people think.
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Noise on the mains and ground almost never manifests itself in obvious ways, such as hum or other audible noise, but rather hides itself in the background. This results for example in haze, too much sharpness, limitation of dynamics, loss of musical details or reduction of spatiality. Usually it is a combination of these unwanted effects.
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Do you think you have no problem? You probably have, but it's not until you've solved the problem that you'll hear what you've missed.