Cheap and good value chassis available from the net.

kasey197

Member
2009-09-08 9:29 am
I took a pic of a case i bought from these guys over the net. Very nice finishing edges etc. Too bad they don't have ones with very large sinks (i asked).
 

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bought this one off ebay, $28. Good deal.

Full Aluminum Enclosure Preamp Case Headohone Amplifier Chassis L 2205 | eBay

Found it on aliexpress as well, for a more permanent listing than an ebay one.

Aliexpress.com : Buy Full aluminum enclosure / preamp case /headohone amplifier chassis #L 2205 on Online Store 331129.

i asked for a blank back, no holes, and they managed that for an extra 2 days time, no extra expense.

Lots of good footers on ebay now, as well.

4X Aluminum Feets for Power Amp with Rubber Ring D 30mm H 12mm | eBay

4x Aluminum feets for Power amp (with Rubber ring) D:30mm H:12mm-in Other Electrical Equipment from Electrical Equipment & Supplies on Aliexpress.com

English conversion from China has them as aluminum feets, not 'footers'. Meaning... search for 'feets', otherwise you'll miss the bulk of all footers.

Lots of good knobs, as well.

http://stores.ebay.com/PARTSPIPE/ALL-KNOBS-/_i.html?_fsub=11007792

http://www.aliexpress.com/item/5Pcs...Golden-Knob-Potentiometer-Knob/532297111.html
 
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You get what you pay for, simple as that. All those fancy black anodized cases are complete failures when it comes to RFI and EMI rejection. Anodized aluminum does not conduct electricity, so the box pieces are not electrically connected to each other in spite of being screwed together. You might as well have no box if you're going to use one of those.

However, if you want something that is rated and tested for RFI and EMI rejection, then these guys have what you need:
Par-Metal

I've bought two of their Series 14 boxes, and I have on order a custom Series 20. They are reasonably priced for the quality that you get.
 
Dirk
you are partly correct.
The seems must be in electrical contact.
Screws are an effective method but they leaves gaps in the seem joints.
The effectiveness of the enclosure is inversely related to the length of the longest seem gap.
If your parmetal enclosure manages to solve the seem gap (without electrical contact) then it is indeed a very good enclosure. But I doubt it.