Vibia Semisphere diffuser for Plusminus system

Vibia Semisphere is the semispherical diffuser designed by Vibia exclusively for the Plusminus lighting system. Featuring an aluminum shade and a polycarbonate diffuser, it combines a clean geometric silhouette with high-quality construction. The Plusminus system is defined by its conductive fabric belt, which allows luminaires to be positioned freely and custom lighting compositions to be created, each configured exclusively by project. The belt can be cut to the required length and connects to the diffuser with a simple click, thanks to integrated plug-in technology.

The Semisphere diffuser delivers direct diffusion lighting with a 180° beam angle, producing soft, low-contrast illumination that suits residential environments such as the living room or bedroom. It is available in two sizes: Ø20 cm diameter with a 7.9W 450mA LED delivering 884 lm, and Ø30 cm diameter with a 16W 850mA LED delivering 1569 lm. Both versions feature integrated LEDs at 3000K warm white, with a CRI greater than 90, and operate on a universal voltage of 100–240V. Available in On-Off or dimmable versions (DALI, 1-10V, Push Button); the Casambi version and 2700K or 3500K colour temperatures are available only upon request. The Plusminus system is not available as a standard product: it is configured exclusively by project. Contact us to receive a personalised quotation.

The complete Vibia Plusminus system is not available for direct online purchase as a standard composition: it is exclusively configured through a dedicated design process, based on the aesthetic and functional requirements of each project. The composition is defined through a technical drawing starting from an idea, a reference image, or a specific project. To receive a personalized proposal and a dedicated quotation, please contact us.