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My maple Proac's have turned green. ?

Discussion in 'audio' started by Jodet, Aug 12, 2017.

  1. Jodet

    Jodet pfm Member

    I've owned several maple speakers over the years. It's a nice hard wood with a beautiful grain and doesn't discolor (change color at different rates) like cherry often does.

    I took the grills of my speakers and under the grill the wood has turned green. Seriously. Green. Like a yellow lime green.

    Anyone have any experience with this? Might it go away in time? Is there something I can use to remove it?

    I emailed Proac but their 'contact' form hangs when I try to send them an email. I wish they would just put an email address on their page.
     
  2. hifinutt

    hifinutt hifinutt

    there is a proac group on facebook , would it be worth asking there .or I would ring proac on 01280 700147
     
  3. hifinutt

    hifinutt hifinutt

  4. Yank

    Yank Bulbous Also Tapered

    Usually it's the part that's not protected by the grill that changes color over time with UV exposure.
     
  5. Rick_F

    Rick_F pfm Member

    Could it be dye from the material on the grills?
     
  6. Jodet

    Jodet pfm Member

    I wondered that too.
     
  7. abbydog

    abbydog pfm Member

  8. hifinutt

    hifinutt hifinutt

    fascinating stuff
     
  9. mercalia

    mercalia pfm Member

    are they varnished? My Epos M12i are and the varnish has darkened under exposure to light - under the grills is lighter for some reason.
     
  10. wiresandmore

    wiresandmore pfm Member

    My PMC's did the same thing after about 2 years of ownership but were replaced with new speakers free of charge by PMC - holding true to their 20 year warranty
     
  11. rad21

    rad21 New Member

    It sounds like the dye in the grill cloth might have reacted with the maple wood. Was the grill cloth on the speaker exposed to a lot of sun(UV rays)? Is the green on both speakers?Do you have any photos of the green colored area? A mild toothpaste can often remove water stains from wood finish but I don't know if it will work on the green areas. If they are under warranty perhaps an exchange is the best solution. I hope my Maple Tablette 10's don't turn green. I will keep the grill cloth off from now on.
     
  12. Jodet

    Jodet pfm Member

    How old are your Tablettes? Mine are a year old.
     
  13. Space is the Place

    Space is the Place pfm Member

    Have you made the angry ? (sorry couldn't help myself).
     
  14. Yank

    Yank Bulbous Also Tapered

    I suggest the possibility that they were "green" all over when they were new, and the parts not protected by the grill mellowed with age.
     
  15. -alan-

    -alan- pfm Member

    I've experienced a similar thing with some kind of light coloured hardwood (possibly rubber wood).

    I stripped and sanded down the original finish on a dining room table back to bare wood when it got a bit rough looking, then refinished it with some left-over clear varnish I had in the shed. The better-half then bought a sheet of heat-resistant material to cover the table to prevent it getting marked in the future. It now has turned a gentle shade of yellow-green - so has to be kept covered permanently now. So much for my sterling efforts..

    Can't be UV, so I assumed it had to be some other change in the varnish itself, which is perhaps more easily noticeable on woods of a lighter hue.

    Mentioned here btw - as a possible side effect of the finished wood being kept under wraps:

    http://www.craftsman-style.info/finishing/048n-varnish.htm
     
  16. ryder

    ryder pfm Member

    I've seen a few used Proac floor standers for sale and some of them do show discolouration between the grille and non-grille areas. It's not so much about the wood turning green but the wood showing different tones in the finish.
     
  17. rad21

    rad21 New Member

    My Tablettes are 3 months old. I thought your Tablettes were Cherry finish?
     
  18. merlin

    merlin Avatar changed - Town names deemed offensive.

    I'd get in touch with Castle who make the cabinets.
     
  19. thebiglebowski

    thebiglebowski pfm Member

    Not possible, ProAcs are the most laid back speaker ever ;)
     

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