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The 1st study of AVAA and the active absorption was realized by HEPIA, the high school in Geneva. It was a travail de diplôme.

1992 - 2004 - Nice collaboration with Studer In 1992, Relec SA was mandated by Studer Professional to build their speaker range, A1, A3 and A5 which became later A14, A21 and A25. Since... [...]

The own wood factory of Relec was created in Ste-Croix, allowing easiest treatment of the cabinets.

Launch of the PA series

With the arrival of the Quatuor 3 and their clever ISP function (circuit protection), it's the beginning of PSI speakers for the professional audio domain.

Duo 2 was launched The first HiFi speaker under "PSI" was launched