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Class D Switching Power Amplifiers and Power D/A conversion

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Old 20th August 2012, 03:04 PM   #3141
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What type of ply would you recommend for the qubeinator? I'm guessing filmed birch, but how many layers?
Nah. Just use any cheap plywood or MDF you can find.
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Old 20th August 2012, 05:18 PM   #3142
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They didn't. The boomcases are all crap in sound quality and only made for the visual effect of what looks cool. In some, not even all the drivers are actually connected.
Yes, I was just wondering if we'd need to add or perhaps subtract from the large price if arranging the speaker properly. No idea. I just know that they're easy to carry, quite expensive and I'm not going to buy one. But I think there's a steam-punk-able suitcase up in the attic, with the main difference that I have WinISD, some foam seal, and some brace boards.
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Old 20th August 2012, 05:55 PM   #3143
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I changed the design slightly, as i want to cover the drivers with mesh. Will this work? Jacks qubinator by Jack - 3D Warehouse
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Old 20th August 2012, 06:30 PM   #3144
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I don't see why not.
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Old 21st August 2012, 01:10 PM   #3145
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I have a sheet of 14mm mahogany ply, will this be fine, or is it too thick? The only downside i can see with added thickness is weight?
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Old 21st August 2012, 01:16 PM   #3146
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Originally Posted by Kasper Jack View Post
I have a sheet of 14mm mahogany ply, will this be fine, or is it too thick? The only downside i can see with added thickness is weight?
A little wasteful if you ask me. Use it for another project.
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Old 21st August 2012, 01:36 PM   #3147
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A little wasteful if you ask me. Use it for another project.
Good idea.

Do i need a fuse on the Li-ion battery?
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Old 21st August 2012, 01:39 PM   #3148
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And what should i use to glue the drivers the the center block? Just epoxy?
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Old 21st August 2012, 01:57 PM   #3149
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Good idea.

Do i need a fuse on the Li-ion battery?
yes. always ha fuse between the battery and amp.
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Old 22nd August 2012, 07:45 PM   #3150
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Click the image to open in full size.

Started the Qubinator project today

I have chosen to use 4mm marine okoume veneer for the center pieces, instead of 3mm masonite, because i happened to have a sheet lying around.

I also have a 14mm sheet of okoume lying around, so i might make the rest of the cabinet out of this, and route some circles down to 9mm, thus getting more strength without it weighing much more.

What type of fuse will i need with this design?
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