: Vifa speakers are often covered in Kvadrat textile . Use a lint roller or a damp, lint-free cloth to dab away stains. Never use a vacuum cleaner on the grille, as the suction can pull and damage the delicate woofer diaphragms underneath.
: Ensure the mounting hole is slightly larger than the driver’s outer diameter (e.g., 170mm for a 6.5" driver) to allow a flush fit. vifa-woofer
For further details, you can find official documentation on the Vifa Manuals & Documents page or check specialized DIY guides like those on Leach Legacy . : Vifa speakers are often covered in Kvadrat textile