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About Us

Metrum Acoustics and Sonnet Digital Audio are two descendants from the same founding father Cees Ruijtenberg, with Lion Kwaijtaal as co-founder of Sonnet. In both companies we are dedicated to build Digital to Analog Converters (DACs) sounding 'True to nature', in our own way, for you, our valued Music loving customer. In our factory in 's Hertogenbosch, the Netherlands we innovate while we're at it, finding better techniques, parts and circuits to make the DAC modules sound even better. It's also the place where we populate our circuit boards, solder, test, build the components together in a housing, re-test, burn-in, end-test and finally package your new audio equipment...

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