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Author Topic: Anodizing an Amp Case?
darkfa8
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I might be purchasing a Memphis 16-ST1000D used, and the current owner used high-heat silver spray paint over the original polished aluminum finish.

I intend on using air craft grade stripper to thoroughly remove the spray paint. If perchance this does damage the original finish, has anyone done any anodzing?

If you're familiar with anodizing, what "type" or layer thickness did you use or recommend?

btw, powdercoating is not a option. I've done powdercoating for performance automotive parts and its not a good idea to use a powdercoat on anything that is meant to radiate heat or is involved in heat transfer. The powdercoat tends to be very thick and acts as a insulator.

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Dan G.
98 Prelude

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rbdbdrag
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if it does not hurt the original part of the amp just polish it... fyi just use the stripper on a small part of the amp and see what it does.......

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tucked65
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You can do anodizing yourself.

just get sulfuric acid, a 12 volt battery charger, dye in the color you want, and some strips of aluminum.

put the acid in a basin big enough to put the case in, put a strip of aluminium in one end of the basin, and attach the other strip to the case through a screw hole or something, and attach wire to both peices of aluminium, but only let aluminium touch the acid. now put the + cable from the charger oon the wire to the case and the - cable on the other wire. turn it on trickle charge or the lowest setting, and it will gives off bubbles if done right. these bubbles are hydrogen gas and are explosive so I suggest you do this outside. let the part get a nice heavy film on it, and take it out carefully.

put the dye in an old pot, and warm it up on the stove, now put the part in the pot and let it soak for a long time. when the color is dark enough, boil the dye for a few minutes to seal the anodization.

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mrbadass03
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i have two of those amps. one i bought new, and one i bought from ebay. anyways, i learned that the aluminum has a protective coating on it, that i am pretty sure the aircraft grade-stripper will remove also (if its strong).
the one i bought on ebay had some chips in it, and the original owner tried to buff them out, and just burned the clear coat...if you can remove all of it, then it will look uniform and good, but may oxidize soon. i am skeptical about removing the rest of the clear coat, in fear of the oxidizing. i cant clean that well in the damn fins too!
but anyways, i think that if you use the cleaner, it will be fine and not damage the amuminum, but will only look good if everything is stripped from the aluminum.
personally i think that anodizing it afterwards is a great idea. i am not too familiar about anodizing, as i have never done it myself or had it done, but it does look good, and would not leave a "thick" coat like powdercoating.
however i dont know that the powdercoat will "insulate" the case to a great degree. i think it should also be fine, but that is just my opinion.

l. garcia [Cool]

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mandos
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Here's a good how-to on anodizing. A bit more in depth than tucked65's post [Smile] :

http://www.floribamariders.com/anodize.htm

PICTURES!!!

http://www.focuser.com/atm/anodize/anodize99.html

Something funny:

http://the-asylum.co.uk/jay/anodize.html

[ 10-09-2003, 09:45 AM: Message edited by: mandos ]

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Chris Schempp
Head of Sales - Elemental Designs

2005 Scion tC
Eclipse CD8443 HU
eDi 6500s

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phattpat
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O.k.- here's a question...can an Anodized surface be polished? i.e.- I just picked up an HCCA 2100 Orion amp, and I was thinking of polishing the case, similar to an aluminum car part (my supercharger). Can the red be 'removed'?

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Patrick Lee
mccgp.com

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mandos
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Check out the middle link above, goes through unanodizing things. From the article:

You can strip off the existing anodized layer from any anodized part by placing the part in a Lye solution for an hour or so. Just mix up a few tablespoons of lye and water in a plastic container. Wear eye protection and rubber gloves for this procedure!! Place the part in the solution and monitor its progress. Most anodizing kits supply stripper. It works a little better than Lye and will not pit the part as easily as lye can if left unattended for too long.

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Chris Schempp
Head of Sales - Elemental Designs

2005 Scion tC
Eclipse CD8443 HU
eDi 6500s

Posts: 1174 | From: Coralville, IA | Registered: Sep 2003  |  IP: Logged | Report this post to a Moderator
phattpat
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Awesome-thanks! [Smile]

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Patrick Lee
mccgp.com

Posts: 32 | From: Berkley, MI, USA | Registered: May 2001  |  IP: Logged | Report this post to a Moderator
   

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