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Chip Amps Amplifiers based on integrated circuits

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Old 10th June 2004, 08:55 PM   #1
theChris is offline theChris
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Join Date: Dec 2001
Location: SIUE, Illinois, USA
Default the $5 amp enclosure

i think i've found it! the cheapest way to get an enclosure for a gainclone project. cheap and it looks pretty easy too!

what is it? a mailbox. at least in the US, there are "rural" mailboxes made from metal. they are meant to be mounted on wood.

this looks like they have the following advantages:
1.) big and roomy.
2.) metal for sheilding/grounding.
3.) an access panel (the door to the mailbox!)
4.) wood can be attached to the bottom, allowing heavier transformers to be secured to the enclosure.
5.) it is metal, so it is somewhat fire resistant.
6.) it's kinda thin metal, so holes can be easily made for adding RCA jacks.
7.) not an unattractive shape and not as boring as rectangular enclosures.

at my local lowes they cost $4.87 USD each.

for some projects i guess you could use it as a heatsink -- it has plenty of area -- but i don't think i'd reccomend that, it is a little thin and isn't aluminum!
if only it could be used for good, not evil...
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Old 10th June 2004, 09:44 PM   #2
cliffhiker is offline cliffhiker  United States
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Join Date: Mar 2004
Location: Virginia

I think you may be on to something re: inexpensive .......

however..... I'm afraid no amount of ornamentation could hide the ........ uh... um.... ...... utilitarian appearance of a rural mailbox.

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Old 10th June 2004, 09:47 PM   #3
mateo88 is offline mateo88  United States
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Join Date: May 2004
Location: Argyle, Texas
Good idea!

That's a nice suggestion for people like me who have no money to spend on those fancy 50-100 dollar enclosures. Nice thinking!
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Old 11th June 2004, 12:35 AM   #4
Christer is offline Christer  Sweden
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Join Date: Sep 2002
Location: Sweden
You can also find some cheap metal boxes with lids at IKEA,
at least here in Sweden. I recently used one of these for
a lab PSU. Sometimes you have to buy a set of two or three
boxes, but they always come in handy for one thing or another.
The mailbox solutions sounde more fun though.
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Old 11th June 2004, 01:25 AM   #5
tool49 is offline tool49  Canada
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Location: Montreal
Here they have those nice duck shaped mailbox, I must just make an amp out of one! Ok, they're a bit more expensive at $15US but its a nice idea!

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Old 11th June 2004, 03:19 AM   #6
netgeek is offline netgeek  United States
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Join Date: Nov 2003
Location: East Coast USA
Can you post a picture - and is there better cooling with the flag raised/extended ???
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Old 11th June 2004, 12:45 PM   #7
soundNERD is offline soundNERD  United States
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Join Date: Sep 2003
Location: Illinois
Default Re: the $5 amp enclosure

hmm, but what if a mailman finds it? may think its a bomb...

netgeek, maybe the flag can be the on/off switch too...
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Old 11th June 2004, 03:10 PM   #8
chris ma is offline chris ma  Canada
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Location: Pickering, Canada
One of my idea for GC case was to use a relative large metal Transformer figuare using the power supply as base for these nice figuares to stand on. Or even a nice Bat mobile
Keep checking the sidewalk sales..
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Old 11th June 2004, 03:29 PM   #9
Kofi Annan is offline Kofi Annan  United States
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Location: US
How about a breadbox? Cheap and readily available at Salvation Army / Ebay / garage sales WORLDWIDE!

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Old 11th June 2004, 03:56 PM   #10
Sherman is offline Sherman  United States
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Join Date: Feb 2004
Location: Chicago area
Default or a cigar box!

I like cigar boxes!
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