Hi, folks! In my first Instructable i will show you a guitar amp i've done using the stylish Heineken draught keg as enclosure and give you the directions to do the same with your choice of keg.
Sometimes you'll notice in the photos that something looks like it's been done before, some parts will be already soldered or cut. That's because this is kind of a staged instructable, since i had the amp done before starting the ible. I actually teared it apart and put it back toghether to show you fellas how to make yours.
That said, let us begin!
Sometimes you'll notice in the photos that something looks like it's been done before, some parts will be already soldered or cut. That's because this is kind of a staged instructable, since i had the amp done before starting the ible. I actually teared it apart and put it back toghether to show you fellas how to make yours.
That said, let us begin!
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Signing UpStep 1: Parts Needed
To build the Heinekamp we'll need:
1x Heineken Mini-Keg (the small one, non returnable, 5L in capacity. other brands do it just as well, but don't forget the cool factor)
1x Amp circuitry
1x 120v to 9v transformer
1x Mains cable+plug
2x 3.5mm mono jack
2x 1/4" mono jack
1x Indicator LED, color to your taste
1x Toggle switch
1x 10k Log Pot
20x M5 x 25 Allen Screw
24x M5 Nut
8x M5 Washer
2x M3 Philips Head Screw
4x Rubber Bumper or any other shock absorbing bumper
4x Rubber band (the strongest you can get)
4x Speakers, various sizes, between 2 and 8 ohm, salvaged
Xx Metal mesh, enough to cover the speakers
- I'm using four speakers, in three different sizes. By using templates like i'll show, you can use as differente and as many speakers as you wish/your amp can drive/fit in the keg.
- The 2x M3 philips screw came from a random parts bin, and are used to hold the transformer. If you are using a transformer not identical to mine (needless to say, you are), look for the right screws to hold it down.
1x Heineken Mini-Keg (the small one, non returnable, 5L in capacity. other brands do it just as well, but don't forget the cool factor)
1x Amp circuitry
1x 120v to 9v transformer
1x Mains cable+plug
2x 3.5mm mono jack
2x 1/4" mono jack
1x Indicator LED, color to your taste
1x Toggle switch
1x 10k Log Pot
20x M5 x 25 Allen Screw
24x M5 Nut
8x M5 Washer
2x M3 Philips Head Screw
4x Rubber Bumper or any other shock absorbing bumper
4x Rubber band (the strongest you can get)
4x Speakers, various sizes, between 2 and 8 ohm, salvaged
Xx Metal mesh, enough to cover the speakers
- I'm using four speakers, in three different sizes. By using templates like i'll show, you can use as differente and as many speakers as you wish/your amp can drive/fit in the keg.
- The 2x M3 philips screw came from a random parts bin, and are used to hold the transformer. If you are using a transformer not identical to mine (needless to say, you are), look for the right screws to hold it down.
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vou fazer algo parecido.. to procurando ideias por aqui! mas a tua fiu da hora!
parabéns!
abraço
=D
OK, I weight 65kg (not the heaviest guy in the world) and it stood well under my butts. Its just not comfortable - at all.
Cheers!
I love it....it has given me the idea to turn one into a PC tower.
Nice work!
actually the mini kegs are made of steel, not aluminum. I've put speakers in a couple and I wish they were made of aluminum. Since they are steel, the magnets always fight with you when you install them!
The 10k pot and indicator LED were originally on the salvaged amp circuit i use . The LED is soldered to the pcb and past through a hole on the faceplate. The pot I desoldered from the pcb, wired it to the pcb back again and then mounted through the pcb. You can see both LED and pot on the two first photos of step 6.
Cheers!
1. Let me see... The circuit, transformer, mains cable and the topmost speaker came from an old speaker set. The bottom ones from a broken cd player, the middle one from another cd player. The mini keg i had sitting around for two years (no kidding), waiting for some project to come up. The material for the control plate is from the leftovers-bin at schools metal workshop, so it was also free. Bumpers came from the same cd player of the bottom speakers. Rubber bands, small screws, zip ties and washers i already had.
I think I only had to buy the screws, nuts, metal screen and the toggle switch.
FINAL EXPENSE: ~ R$ 6,00 ( U$ 3,50). That much!
2. That's hard to tell. As I said somewhere here, I think the amp is definitely loud enough for a small party (it is limited by power and size, of course). I mean, it could to some point replace the sound system in my living room. Assuming that you don't work at a shooting range, i just guess it would work. Also, check your input signal strength. If it is too low you may need pre-amplification of something of the sorts.
John Roberts.
Wellington.
New Zealand.
Guess things are more strict in New Zealand than in Brazil.
Anyways, it was nice that you to mentioned that. Recently I tightened and solidfied that knot with hot glue. It's brick solid now, and somewhat safer. The cord i used itself is low quality, so i will replace it in version 2.0 and a cable gland will surely be used.
Thanks for the compliments, and if you don't mind, please vote for this project for the Epilog Contest. Cheers!
http://www.runoffgroove.com/littlegem.html
that's the official site of the little gems and variants. For the other projects involving sounds, check the "articles & schamatics" section at
http://www.runoffgroove.com/index.html
Tons of interesting stuff.
I would have liked a flush finished bolt fitting like a coach bolt or a metal board mount that results in a number of spots rather than the large knurled allen bolt heads.
What about building an amp set in a couple of jerry cans all painted up like an prop from MASH
If you have a chance to look at the old bondai (imac) internal speakers snails you will see you dont need thet much room to make a nice sound.
I never watched MASH, and even had to google the jerrycans (i'm not a native english speaker, my bad!), but those are damn stylish, aren't they! Too bad they're very rare around here.
And I checked out the imac and the speakers on it were really small, as you said. I never had the chance to hear to that imac version, so i'll take your word.
Thanks for the compliments! I'd be very pleased if you could vote for this instructable for the Epilog Contest. Cheers!
Too bad you used a Heineken Keg though, Heineken stinks :p
http://www.instructables.com/id/Car-stereo-PC-power-supply-with-pizzazz/