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Re: Refinishing Speaker CabsI would start with the 80 grit until you get the hang of it. You'll have to play around with it to get a feel for what grit of sandpaper takes the finish off quickly but not so aggressively that you start to wear down the wood of the cabinet. If you go too fine of a grit it may gunk up the sanding discs or not be aggressive enough. From what I remember of the EV QRX finish, 80 grit is probably a safe starting point. Get the big 15 or 20 pack of NORTON discs from Home Depot or Lowes, they're a much better value than buying the small 3 packs.
Re: Refinishing Speaker Cabs
I would start with the 80 grit until you get the hang of it. You'll have to play around with it to get a feel for what grit of sandpaper takes the finish off quickly but not so aggressively that you start to wear down the wood of the cabinet. If you go too fine of a grit it may gunk up the sanding discs or not be aggressive enough. From what I remember of the EV QRX finish, 80 grit is probably a safe starting point. Get the big 15 or 20 pack of NORTON discs from Home Depot or Lowes, they're a much better value than buying the small 3 packs.
