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The Dynaco Tube Audio Forum

Dedicated to the restoration and preservation of all original Dynaco tube audio equipment - Customer support for Tubes4hifi VTA tube amp and preamp kits and all products

    Removing Anodization

    Mr C
    Mr C

    Posts : 92
    Join date : 2019-07-11
    Age : 65
    Location : Visalia CA.

    Removing Anodization Empty Removing Anodization

    Post by Mr C on Thu Sep 10, 2020 9:39 pm

    Is it possible to remove/strip anodization? I know, strange question for this forum. I have a PH14 in black. I'd like to strip the anodization off the face plate so it more closely matches the SP14. One thought I had was a sander and very fine sand paper. But completely striped would be best. Sand blasting or soda blasting? I kind of wonder if some sort of chemical striping would give the best result.

    Posts : 47
    Join date : 2019-09-21
    Location : South Detroit, Michigan

    Removing Anodization Empty Re: Removing Anodization

    Post by Hops on Fri Sep 11, 2020 4:57 am

    I think buying a new box from Roy and transfering all the internals would be easier, have better looking results, and be ultimately cheaper. True anodization is not a coating, it is a chemical reaction with the base metal.

    Posts : 204
    Join date : 2011-04-04

    Removing Anodization Empty Re: Removing Anodization

    Post by Tom on Fri Sep 11, 2020 6:03 am

    Sanding will work but it's a pain. Use a block and straight edge. Sand slow and straight and in one direction so the "grain" looks right. Yes, much easier to buy a new box but this IS a DIY forum...

    We are sincerely committed to doing things in the least practical manner imaginable. Very Happy

    Posts : 91
    Join date : 2013-06-19

    Removing Anodization Empty Re: Removing Anodization

    Post by mijohn on Sat Sep 12, 2020 5:05 am

    Contact Roy Mottram and see if he can supply or put you on to his  case supplier. I have ordered a replacement front panel for my PH16 from the same company he is/was using and it was reasonably priced. Most manufacturers produce various finishes for their products and natural brushed aluminum is cheaper than black anodized. He was using Par Metal Products Inc, but the black PH14 cases could be from another company.

    Roy Mottram:

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    Removing Anodization Empty Re: Removing Anodization

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      Current date/time is Thu Sep 24, 2020 1:24 pm