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Pringles can amp

Talmir
July 7th, 2008, 06:06 PM
Hello :) I´m putting together a small project to have a pringles can amp.. The smaller variety of can (43g).

http://www.dk.pg.com/imagebank/PRINGLES_3DHR_ORI_FINAL_43g_thumb.jpg

I have a speaker that fits exactly on the top of the can. I´m just getting into the whole electrical thingomagicky world so I´m keeping it simple.. I´m basing it of the "little gem" circuitry, no gain control.. Only an on/off switch, a "gain or no gain" switch and jack on the bottom, and the speaker covers the top.. However, I am having two problems.

I am using this perfboard layout : http://www.runoffgroove.com/littlegem.html

I am not a 100% sure how to deal with the grounding.. Where should I connect it?

and secondly.. I have thought about it but cant really find an answer, where should I store the battery? (any ideas?) It must be easily accessable.. But not "in the way". One solution I have been considering is using the plastic cap as a base for the jack and switches, that would allow me to open the can normally to change the battery. And mount the speaker on the bottom where the aluminum cap is (I´d have liked to keep that as the base for the jack and switches for structural reasons (being that aluminum is stronger than plastic).

Comments and suggestions are more than welcome

e-merlin
July 7th, 2008, 06:11 PM
I'm thinking that the speaker will blow the lid off. I don't know what to suggest for the battery unless you get one of those battery boxes you put in guitars for active pickups.

My suggestion is, paint it gray and make it look like a pipe bomb. Then, try to smuggle it through airport security!

Talmir
July 7th, 2008, 06:12 PM
Hehe, of course the lid will be off while the amp is in use (but I test fitted it and I can keep it on when not in use).. Think it´ll be too small to pass for a pipe bomb tho.. :S

Talmir
July 8th, 2008, 08:22 AM
nevermind,, I have decided on a design for this. Thanks for your comments :neutral:

I´ll post pics of the finished project.

magicguitar
July 8th, 2008, 08:33 AM
I heard yesterday that Pringles won their law suit in Britain. Apparently they had to pay tax regarding the amount of potatoes in the product. They won because they proved that Pringles are a formed shape not normally found in nature and that the product contains less than 50% potatoes.. Does make you wonder what the other 50 plus consists of.

e-merlin
July 8th, 2008, 12:39 PM
Not at all. They are delicious, especially the Sour Cream ones. I don't care if the other 50% is nuclear waste.:grin:

Edutainment
July 8th, 2008, 01:50 PM
I like the pizza flavour. It doesn't taste much like pizza but dang is that red powder stuff good!

I'm making one of these amps too and putting it in a little tin. I bent the of the .047 cap across the board and soldered grounded stuff to that, and then the ground wire to the end of course. I don't know if that's the best way to do it. If it doesn't work at first, don't give up. You can use a multimeter or continuity tester to find the bad joint(s) or part(s). Oh and I used this one to figure out where to hookup the speaker: http://www.flickr.com/photos/54804764@N00/401719542/

MohoMods
July 23rd, 2008, 10:22 AM
I beat you to it a couple of years ago...
http://www.mohomods.com/images/MiniMo.jpg

Durtdog
July 23rd, 2008, 11:43 AM
I beat you to it a couple of years ago...
http://www.mohomods.com/images/MiniMo.jpg
How much does it weigh?

Chikuzan
July 23rd, 2008, 11:52 AM
This thread is awesome.

eugenedunn
July 23rd, 2008, 12:13 PM
How about this thing?

emu!
July 23rd, 2008, 02:00 PM
THESE pringles are making ME thirsty! :grin:

Scott S
July 23rd, 2008, 02:27 PM
Nice! First the garbage can cabinet, now this! :lol:

- Scott

mofugly13
July 23rd, 2008, 06:43 PM
I built a little gem and managed to fit it into an altoids tin, battery and all. No speaker, just a headphone out jack, but it was my first real electronics project, and I use it quite a bit. The beer can one looks cool....