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This "iPhone speaker" is made of a paper tube and cups.

I can make it very easy!

Step 1: Materials

・a paper tube

・two paper cups

Cool I wish I could do that
Cool...
<p>Owh... I want make this.</p>
Made it! It works gr8!
<p>عالیه، ساده و جالب در عین حال کاربردی هست</p>
<p>It does work, but as many will realize, it'll only be in MONO output, not stereo. (since you're only using the single output speaker of the phone.) This idea goes all the way back to the Edison Gramophone, which used a metal disk into a horn to amplify the sound. Still a good idea if you want a little louder sound from the tiny speaker. I've even seen some pimply put the phone over a bowl of a mason jar with similar effect.</p>
<p>Yes! It is MONO!! Thanks!!</p>
<p>Brilliant and simple and inexpensive and easy! I love it. Thx. :)</p>
<p>I make it in various ways from now on! Thnank you! ;)</p>
<p>neat idea! i'm going to try it with a larger sound sound source and larger cups.</p>
<p>Thank you for comment! I look forward to your work!</p>
<p>It really works, very cool</p>
<p>Wow!! It's cool!! Thank you:)</p>
<p>I am going to try this simply because it is so goofy.</p><p>And you say it works!!</p><p>Would plastic cups work? If not, do you know why?</p><p>I am always amazed by the things people create.</p><p>Best Wishes.</p>
<p>The only reason why it woudl not work with plastic cups is the weight. You need sone thing sturdy to that the sound bouncess of the wall and out the front. If it bouncess oround add weight, use the heavy red cups. I've seen it made from wood too.</p>
<p>The plastic cups wiil work!! Thank you!!</p>
<p>I think the plastic cups wiil work! :D</p>
<p>Love it. Easy. Charming. Affordable. (But my dog ate it - *sigh*)</p>
<p>Thank you!! I'm glad ;)</p>
Love this trying to make now
<p>I'm looking forward to it your work! Thank you!!</p>
<p>It is pretty cool, but you can also just drop it in a large glass. The heavier the material the better. My son uses a 24 ounce glass to good effect.</p>
<p>Thank you for info! I try to use a glass! It's cool, too!!</p>
<p>Super</p>
<p>Please make it for trial!</p>
<p>Super</p>
<p>Thank you!!</p>
<p>Excellent idea! It's so simple. I really like it!</p>
<p>I can easily make this speaker! And it is convenient.</p>
<p>Cool!</p>
<p>Thank you for comment!! I make it in various ways from now on.</p>
I did it with what I had access to in work lol rolled card and string with little cups not bad tho ;)
<p>That's good!! Your speaker resembles the speaker which I made.</p>
<p>I suppose you could use a paper towel tube as well. It's just bigger around.</p>
<p>I refer to your idea!! Thank you!!</p>

About This Instructable

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Bio: Hello!! Welcome to "Balisage-Channel"!! Nice to meet you!! I'm Yasushi Ishikawa and really enjoy creating content on YouTube! This channel will show you how ... More »
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