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HomeBrew Amp Chassis


 


What's good choice for obtaining Aluminum plate, Aluminum Chassis..??
I'm searching ebay, lots of picks.? Others?
Short story, About to cannibalize old amp for chassis but think NEW would turn out better on this one.
I can assemble Aluminum, bend - not so much.
Thickness??
73 Robert W5AJ


 

My little local town has Al. supplier who will guillotine pieces to size for free If the order is over ?10.... I expect most towns will have similar.

I never bend pieces (although my Al. supplier can do that too for a small charge), I just cut angle-ally pieces and drill / tap M4 holes.

18 or 20swg for tank circuits, 3mm (10?swg) for chassis/front panels.

best 73


 

The Amp Repair guy has a few videos on Utube constructing a few amps. He purchase his chassis ready made. Check Utube for the name of the supplier. And yes there are metal suppliers listed on the web. You need to find a local one to save on shipping.

On Thursday, January 4, 2024 at 04:49:04 PM EST, Tim Fern <timjfern@...> wrote:


My little local town has Al. supplier who will guillotine pieces to size for free If the order is over ?10.... I expect most towns will have similar.

I never bend pieces (although my Al. supplier can do that too for a small charge), I just cut angle-ally pieces and drill / tap M4 holes.

18 or 20swg for tank circuits, 3mm (10?swg) for chassis/front panels.

best 73


 

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Keep in mind that sometimes, paying somewhat more for the chassis can make up for a lower shipping cost, too. Compromise, compromise, compromise...

Steve, K0XP



On 1/4/2024 1:52 PM, mike repinski via groups.io wrote:
The Amp Repair guy has a few videos on Utube constructing a few amps. He purchase his chassis ready made. Check Utube for the name of the supplier. And yes there are metal suppliers listed on the web. You need to find a local one to save on shipping.

On Thursday, January 4, 2024 at 04:49:04 PM EST, Tim Fern <timjfern@...> wrote:


My little local town has Al. supplier who will guillotine pieces to size for free If the order is over ?10.... I expect most towns will have similar.

I never bend pieces (although my Al. supplier can do that too for a small charge), I just cut angle-ally pieces and drill / tap M4 holes.

18 or 20swg for tank circuits, 3mm (10?swg) for chassis/front panels.

best 73
--
See my QRZ.com page at


 

KB1SEL got the premade chassis and cabinet from ICA manufacturing in? NJ.? They come completely pre-fabricated and ship flat. All you do is assemble with machine screws. On most of em, they have the outer front panel, and also a 2nd front panel inboard from the outer panel. Stuff like vac caps, verniers etc, is between the 2 x panels.... if you want.?

The pre-made cabinets come in every dimension you can think of.? ?Shipped in the flat pack, the shipping is cheap.? ?ICA runs flat out 6 x days a week.? That's also where the .515" thick teflon chimney for the 10 kw 6m, 3x6 amp came from.?

https://www.icamanufacturing.com/shop/cabinets



ICA Manufacturing

P.O. Box 677
Egg Harbor City, NJ 08215
(609) 965-9494

Chargercharger@...


 

On Thu, Jan 4, 2024 at 07:27 PM, Jim VE7RF wrote:

KB1SEL got the premade chassis and cabinet from ICA manufacturing in? NJ.? They come completely pre-fabricated and ship flat. All you do is assemble with machine screws. On most of em, they have the outer front panel, and also a 2nd front panel inboard from the outer panel. Stuff like vac caps, verniers etc, is between the 2 x panels.... if you want.?

The pre-made cabinets come in every dimension you can think of.? ?Shipped in the flat pack, the shipping is cheap.? ?ICA runs flat out 6 x days a week.? That's also where the .515" thick teflon chimney for the 10 kw 6m, 3x6 amp came from.


Wow, just checked-out their website... what a great resource!?

Thanks for sharing that Jim.
?
--
73,
~Alan