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Old 16th November 2011, 01:42 AM   #1
HooRide is offline HooRide  United States
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Thumbs up looking for a chassis

Hi all, I am looking for a chassis for my PGA2310-based preamp to complement my RME ADI-2 DAC.

Anyone know of anything even remotely similar? If it comes down to it i'll have to draw it in some CAD software and have it specially made.

Thanks.
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Old 17th November 2011, 10:18 PM   #2
JoelS is offline JoelS  United States
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if you go the specially made route, check out protocase.com they're a little expensive but cool for prototypes and one-off projects. and fast too.

-Joel
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Old 18th November 2011, 07:20 AM   #3
Chartal is offline Chartal  Canada
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Hi.

What you need, is a "1U half width rack-mount enclosure"

Have a look at Hammond: Hammond Mfg. - Rack Mountable / Table Top Enclosures (RMCS & RMCV Series)
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Old 18th November 2011, 08:47 AM   #4
Lavcat is offline Lavcat  United States
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I am using a Hammond RM1U1908SBK for a project, and they are pretty. They are also rather expensive, and the panels are not flat. The RMC series are not as pretty, but they are less expensive and I believe the panels are flat.
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Old 27th November 2011, 05:27 PM   #5
HooRide is offline HooRide  United States
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Thanks all. I wound up getting a RMCS9018BK1. It's not perfect but it'll hold me over until I decide what I really want or have the time to whip up a custom design for something like protocase.

Now all I have to figure out is how to get a perfectly square hole cutout for the LCD...
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Old 27th November 2011, 08:29 PM   #6
Lavcat is offline Lavcat  United States
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Quote:
Originally Posted by HooRide View Post
Now all I have to figure out is how to get a perfectly square hole cutout for the LCD...
What size hole?
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Old 27th November 2011, 09:20 PM   #7
HooRide is offline HooRide  United States
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Quote:
Originally Posted by Lavcat View Post
What size hole?
The inside dimensions of this LCD module are 2.5" wide and .53" tall. I suppose I could use a dremel cutoff wheel but I don't think it would look as professional as I'd like. Any suggestions?
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Old 28th November 2011, 12:19 AM   #8
Lavcat is offline Lavcat  United States
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If the size were close I was going to suggest a Greenlee chassis punch. Greenlee makes a punch 2.559" wide but it is 1.378" high. I have a nibbler that I've used for rectangular holes, but in my hands the edges turn out a little rough. Another method is to drill a row of small holes along the inside of the rectangle, break the center free, and file down the sharp points.

You could always get a milling machine or maybe use a milling bit in the dremel. I don't have a milling machine but I have a new drill press, and if I were wanting to make a rectangular hole I would consider abusing the drill press with an edge milling bit. Worst that would happen is a broken bit in your face and a ruined part and damaged drill.

Perhaps the best advice is to avoid parts that require non-round holes.
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Old 28th November 2011, 12:33 AM   #9
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If your prime concern is "front panel look-alike", why not use a standard rack chassis, and go with a front panel from (ta-daahhh.....) Front Panel Express. With FPE, you design it on line, and they will cut/mill/drill/anodize/stencil/label to your design. You sould be able to get a pretty good match to your DAC (depending upon your draftsman talents). FPE prices are pretty reasonable (aluminum panels....) and they provide fast, fast service.
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