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Chassis service?
Chassis service?
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Old 11th July 2018, 12:30 PM   #21
jackinnj is offline jackinnj  United States
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Chassis service?
Quote:
Originally Posted by kevinkr View Post
I highly recommend Landfall Systems, and use them for most of my designs. They are a great option for those who can't or don't want to fabricate their own chassis. I should disclose that I am pretty friendly these days with one of the principals at Landfall, so am inclined to recommend them to anyone listening..
There are a couple fellows in our NJ Audio Society who are in the audio biz -- one of the most expensive parts of the design process is working with the industrial design team who plan the aesthetics, eye appeal -- and this cost is a very significant portion of the total.

As long as wifey doesn't complain, the great pleasure of rolling your own is the absence of any aesthetic sense!
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Old 11th July 2018, 01:37 PM   #22
kstagger is offline kstagger  United States
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I usually buy an off-the shelf chassis, wood or metal, through Ebay.

For the top panel I use Front Panel Express. They have a program that allows you to determine the location of holes, along with sizing, etc. They also do letter engraving, squares, countersinking, and a bunch of other different things. The learning curve of using the software isn't that steep. You can get a price anytime.

Here is the last order I did through them - a parallel SEP amplifier
Click the image to open in full size.
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Old 11th July 2018, 04:21 PM   #23
mbates14 is offline mbates14
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I love that top plate.

I think it looks like I will have to go to different suppliers/companies for different parts of it.

like protocase, or front panel express for the top, and of course the actual front and rear panels. Then another company for the woodworking.
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Old 11th July 2018, 09:23 PM   #24
FullRangeMan is offline FullRangeMan  Brazil
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Quote:
Originally Posted by mbates14 View Post
Then that defeats the whole purpose here. Even if I did have access to a CNC machine, I would have to bust the wooden frame apart to route it properly anyways if they didnt do this service prior to manufacture.

thanks anyways.
Well for me its expensive, maybe for your pocket it may be affordable.
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Old 11th July 2018, 10:48 PM   #25
mbates14 is offline mbates14
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LOL I doubt that, Your expensive is probably my "cant afford this" zone.
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Old 12th July 2018, 12:04 AM   #26
FullRangeMan is offline FullRangeMan  Brazil
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I would suggest 5mm alu table not steel if the trafos are big,
but the screwthreads of the toggle power on switchs dont fit.
they accept table of up to 3mm only.
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Old 12th July 2018, 12:20 AM   #27
mbates14 is offline mbates14
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My transformers are pulls from a Conn organ amp.
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Old 12th July 2018, 01:07 AM   #28
TheGimp is offline TheGimp  United States
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kstagger, what did that top plate run you, if you don't mind.
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Old 12th July 2018, 06:18 AM   #29
soulmerchant is offline soulmerchant  Switzerland
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Hi mbates

If you are in the US, and are only doing a one-off, then I recommend big blue saw.

Big Blue Saw - Waterjet and Laser Cutting - Instant Quote

If you can generate a cad layout of a top plate, they can cut it. I found them to be quite competitive and very friendly people to work with. Their material selection is huge too.

I had them do a few custom top plates and deliver to my hotel while I was in the US on business last year. I liked the quality and to be honest they were cheaper than the well-known german front-plate service I was using before, and they can cut stainless steel, which the well-known german front-plate service did not want to do.

For the frame, get a local cabinet maker to make it. Then you can choose the wood, etc as you prefer. Look for a cabinet maker, and not a carpenter... Give them accurate dimensions. For me here in Europe, this means quoting in millimeters with a decimal place.

Its good if there is a very small amount of play between plate and frame, because the plate as it will expand a little bit with heat. I just sand the edges and have not had any problems.

If that is all too expensive, then just go for a Hammond enclosure.

Honestly though, I went through all the steps of hole punches, stepped drills, etc... took ages to achieve satisfactory results on my own. And I never could get the woodwork up to scratch... My feeling is that nothing beats getting this stuff cut by a pro, and it leaves you more time to concentrate on good design, proper layout, etc.
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Last edited by soulmerchant; 12th July 2018 at 06:34 AM.
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Old 12th July 2018, 06:41 AM   #30
soulmerchant is offline soulmerchant  Switzerland
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Quote:
Originally Posted by Trajan View Post
A Hammond case and some Greenlee punches may be easier to use than you think. The punches will let you build multiple cases. Get some graph paper (or CAD if you can) and center punch the holes. Drill and use the Greenlee punch. You will be shocked how nice it can turn out.
Agree. I did this a few times as well. The OP is welcome to message me if they want to buy my greenlee punches though. my days of using them are over.

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