Repair piano black finish on MicroPRO woofer

alexksj
alexksj Posts: 5
edited November 2009 in Speakers
Hi,

I just got a Polk MicroPRO 3000 subwoofer. I got a really good deal because it has a deep gash in the piano black finish at one of the corners. Doesn't seem to affect performance.

What's your recommendation how to reasonably patch this? I don't want to refinish the whole thing, just the affected area. It shouldn't be visible "across the room", but it's ok if it is noticeable on close inspection.

Is it ok to use Bondo on the exposed MDF? What paint should I use?

Thanks!
Alex
Post edited by alexksj on
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  • Montoya
    Montoya Posts: 506
    edited November 2009
    tamiya makes a really good high gloss laquer paint. Not sure about the bondo though.
    alexksj wrote: »
    Hi,

    I just got a Polk MicroPRO 3000 subwoofer. I got a really good deal because it has a deep gash in the piano black finish at one of the corners. Doesn't seem to affect performance.

    What's your recommendation how to reasonably patch this? I don't want to refinish the whole thing, just the affected area. It shouldn't be visible "across the room", but it's ok if it is noticeable on close inspection.

    Is it ok to use Bondo on the exposed MDF? What paint should I use?

    Thanks!
    Alex
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  • F1nut
    F1nut Posts: 50,828
    edited November 2009
    A burn in repair is your best bet.
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  • rallyshark
    rallyshark Posts: 417
    edited November 2009
    What is a burn in repair? How does that work?
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  • mmadden28
    mmadden28 Posts: 4,283
    edited November 2009
    I know there is an LSi black lacquer repair thread around here somewhere...looking
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  • Ricardo
    Ricardo Posts: 10,636
    edited November 2009
    This is a good process to follow (Starting on post # 11):

    How to Repair Piano Black Finish
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  • Jstas
    Jstas Posts: 14,845
    edited November 2009
    I'm not sure what the burn in approach is either but, I have repaired piano black finishes in the past with a bit of acrylic resin and a fair amount of sanding and polishing. Provided the gash is still black and isn't showing the structural material beneath it.

    The acrylic acts like a clear coat would and lets the black color come through but fills in the gash and makes it look smooth and shiny, like the rest of the finish. It's noticeable upon closer inspection but hidden in the corner of the room, it won't draw your eye to it anymore. The nice thing about it is that all of the stuff you need can be picked up at Home Depot or Pep Boys for less than $35.

    But F1nut fixes stuff like that for a living so I'd trust him over me.
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  • mmadden28
    mmadden28 Posts: 4,283
    edited November 2009
    Ricardo wrote: »
    This is a good process to follow (Starting on post # 11):

    How to Repair Piano Black Finish

    I couldn't find the discussion I was looking for , but that link has the exact same repair so the other discussion probably also linked to that repair.
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    This post is a natural product. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects.

    HT:Onkyo 805, Emotiva XPA-5, Mitsu 52" 1080p DLP / polkaudio RTi12, CSIa6, FXi3, uPro4K
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  • NJPOLKER
    NJPOLKER Posts: 3,474
    edited November 2009
    Ricardo wrote: »
    This is a good process to follow (Starting on post # 11):

    How to Repair Piano Black Finish

    I stopped at post #4 and bet I'm not the only one.
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  • mmadden28
    mmadden28 Posts: 4,283
    edited November 2009
    NJPOLKER wrote: »
    I stopped at post #4 and bet I'm not the only one.

    hehehe ;)
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    HT:Onkyo 805, Emotiva XPA-5, Mitsu 52" 1080p DLP / polkaudio RTi12, CSIa6, FXi3, uPro4K
    2-chnl : Pio DV-46AV (SACD), Dodd ELP, Emotiva XPA-1s, XPA-2, Odyssey Khartago, LSi9, SDA-SRS 2 :cool:, SB Duet, MSB & Monarchy DACs, Yamaha PX3 TT, SAE Tuner...
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  • Bernal
    Bernal Posts: 991
    edited November 2009
    Very interesting
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  • alexksj
    alexksj Posts: 5
    edited November 2009
    Thanks a lot, the link was exactly what I was looking for. This seems to be within my abilities. BTW, this is how my woofer looks like right now. Not perfect, but paying $300 for a new $1500 speaker with ding, I'm not going to argue...

    4110747743_3443c6c4c4_o.jpg
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  • F1nut
    F1nut Posts: 50,828
    edited November 2009
    One way or the other, doing it right takes time, money and skill. If you really want it done right, take it to a pro. Otherwise, good luck and have fun.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • nooshinjohn
    nooshinjohn Posts: 25,482
    edited November 2009
    What I did was fill the damaged areas on 1 of my LSi15's and then took it to a body shop and had them shoot it with automotive paint. Then it was color-sanded and rubbed out. According to Polk customer service, they are painted and finished in much the same way at the factory.
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