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  1. GRAU
  2. Products
  3. John

John

  • Can I also use or convert a John USM or John Vitra on the table base?
  • John - Control changeover (for John luminaires manufactured from 06.11.2024)
  • Something's broken in my John's joint. Can it be repaired?
  • The lamp head on my John is broken. Can it be repaired?
  • My John's power adapter is defective. Can I replace it myself?
  • I need a new cable for my John, can I replace it myself?
  • Can I replace the LED board on my John myself?
  • Can I get John with a different cable length?
  • How much does a John weigh?
  • My John no longer holds its position when I adjust it, what can I do?
  • Is it possible to convert a John, for example to use a table version as a floor version?