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Old 27th December 2011, 02:00 PM   #1
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Default Best material to paint glossy black piano?

Hi there dudes
A friend of mine wants me to build him a huge horn-loaded 3-ways speaker... he want the finish "Glossy Black Piano" ... I've painted black piano before on plywood but he want something exactly like pianos ... I just want your opinion about the material? what is the best material to paint in Glossy black? (bare MDF, Plywood, Chipboard with veneer, etc...)
like this:
Click the image to open in full size.

I'll do:

1- use cellulose undercoat
2- wet sanding with Makita and then with some handy power
3- spray Black paint
4- wet sandpaper the black in different grades (1000 > 1600 > 2000)
5- spray semi Polyester
6- sandpaper and polish it again
7-after a month or so I'll wax it

shed some light if I'm wrong
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Old 27th December 2011, 04:26 PM   #2
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Core material of your choice and HDF shell (3mm thick). Below picture shows cross section of a budget speaker made by professional carpenter. Veneer-HDF-MDF(green, water resistant)-HDF.
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File Type: jpg MDF.jpg (426.9 KB, 266 views)
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Old 27th December 2011, 05:28 PM   #3
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A fine tight grained wood veneer like poplar, birch or maple. Core material of your
choice.
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Old 27th December 2011, 07:28 PM   #4
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Do a search there was recently a long thread on this finish...

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Old 27th December 2011, 07:32 PM   #5
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Quote:
Originally Posted by bear View Post
Do a search there was recently a long thread on this finish...

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yep but pictures don't show up
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Old 27th December 2011, 07:44 PM   #6
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I see that...

But the techniques are explained.

And, I thought that there was one more current too... dunno.

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Old 28th December 2011, 01:37 PM   #7
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I'd use MDF for the base material. I think your technique is just fine and the results look good.
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Old 28th December 2011, 05:01 PM   #8
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The key is many coats
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Old 28th December 2011, 05:17 PM   #9
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Plastic laminate works well as a top, too.
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Old 28th December 2011, 10:45 PM   #10
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Quote:
Originally Posted by ARIYAHOOR View Post
Hi there dudes
A friend of mine wants me to build him a huge horn-loaded 3-ways speaker... he want the finish "Glossy Black Piano" ... I've painted black piano before on plywood but he want something exactly like pianos ... I just want your opinion about the material? what is the best material to paint in Glossy black? (bare MDF, Plywood, Chipboard with veneer, etc...)
like this:
Click the image to open in full size.

I'll do:

1- use cellulose undercoat
2- wet sanding with Makita and then with some handy power
3- spray Black paint
4- wet sandpaper the black in different grades (1000 > 1600 > 2000)
5- spray semi Polyester
6- sandpaper and polish it again
7-after a month or so I'll wax it

shed some light if I'm wrong
4- is also with a mech sander? If so, fast or slow?
6- same question except polish with what?

Thanks for your time

P

I know about letting the device do the work.
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