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Re: DIY Class D amps
ClubNeon #287587 01/19/10 07:21 PM
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Ken.C Offline OP
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Where are you getting the case?


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Re: DIY Class D amps
Ken.C #287591 01/19/10 07:39 PM
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Probably just go with a generic Middle Atlantic case, and cut the holes as needed. Although, Bud Industries resales some with vented lids, and if I felt like paying more for actual machined holes and silk screening I'd definitely go with them. We use them both at work for project boxes.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
Re: DIY Class D amps
ClubNeon #287595 01/19/10 08:01 PM
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Ken.C Offline OP
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Hmm. I lack a drill press, so I think that would be challenging for me. It seems like a fun project, and I'm tempted, but the case would be tricky.


I am the Doctor, and THIS... is my SPOON!
Re: DIY Class D amps
Ken.C #287600 01/19/10 08:13 PM
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If you bolted stand-offs onto the boards, then all you'd need to do is drill the holes in the right place in the case, and bolt everything down. The cases themselves don't have to be tapped. As for the input/output jack holes, again just drill a simple hole, and use a nibbing tool to cut the right shape out.

That how things are usually done at work, for one-offs. Although we do use a drill press for the holes, just because it's there. There's no reason that placing 4 dimples and then going at it with a hand drill wouldn't work.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
Re: DIY Class D amps
ClubNeon #287748 01/20/10 05:57 AM
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Ken.C Offline OP
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Heck, it almost looks like with the TI kit, you could just take a busted amp and strip out the innards, then just put that one in. Just clip the input/output/psu wires, re-solder them (if that, even), screw in the transformer and the boards, and Bob's your uncle.


I am the Doctor, and THIS... is my SPOON!
Re: DIY Class D amps
Ken.C #287764 01/20/10 10:22 AM
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J
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Bob sure must have gotten around.


Jason
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Re: DIY Class D amps
Ken.C #287785 01/20/10 04:12 PM
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Pretty much any of their "kits" have everything you need to replace the guts of a busted amp. Once the transformer is tied to the power supply, and the power supply to the amp board, all you need to do is hook up the inputs and outputs.

Their older models are an unknown design. But everything I've read about the TI Digital Amplifier chip, makes it sound like very well designed part.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
Re: DIY Class D amps
ClubNeon #301434 04/11/10 10:50 PM
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Chris, were you still doing this? Just curious.

Re: DIY Class D amps
CV #301435 04/11/10 11:30 PM
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It's in my plans, just not immediate. I don't have any speakers which would really benefit from extra power at this point.

Actually just today I was just putting together my shopping list for the year. The amp kit's on it, but behind a pair of M80s. Also behind window blinds, a pair of air conditioners, and a few other things which I need to make my room more comfortable.


Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris
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