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Simple and easy to do using an empty ambient deodorant,increases the sound more than 20 decibels without battery nor wires

Step 1: Materials and Tools to Make It

A deodorant tin can can,not the aluminum one,and to cover it some kind of adhesive sheet,like this ( carbon fiber),or simply paint it

Step 2: Preparing the Can

Take off the upper part part of the can,with the help of a plier or screwdriver

Step 3: Getting the Components of the Amplifier

With a handsaw or a angle grinder Cut both sides of the can,the upper one will be the base and the lower one will be a sound reflector

Step 4: Prepparing the Components

Bend a little bit the bottom side,in order to let us introduce in the can,and with the help of a hammer bend the upper side as seen on picture,this will make a better seat of the can on the base
Also we have to mark a rectangule according to the size of our cell to let us put it in,make the little window some mm bigger so the cell enters freely

Step 5: Finishing the Job

And after soldering the base and the sound reflector in the inside,I covered It with fiber carbon sheet ,It is a really efficient amplifier,It amplifies enought the sound of the cell
<p>(late getting to view this). I could use this! I am probably going to attempt making one for myself. Thanks for the idea! One question: Does the reflector <em>have </em>to be soldered together with the can? If I just sit the two pieces together, will the amplification still be present? Thanks for your reply.</p>
Hi YourMagesty,sorry y I didn't specified that but the relector you have to bend it a little bit (just by hand) and solder it to the tube,two points would be enough.<br>I found that this reflector amplifies better being closer to the speaker.<br>Hope this is useful for you BR

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Bio: Broken devices always have several useful parts,recovering them , we reduce trash ,then we are taking care of the planet
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