Altoids headphone speakers

I love making beeps and bloops with the Arduino pitches library, but sometimes archaic 8-bit tunes just don't cut it. Whether you want your robot to terrify your enemies with a demonic synthetic voice, you just need a pocket boom box on the go, or you want to a miniature guitar amp, a simple LM amplifier can crank up those signals loud enough to play through any speaker. As always, breadboard your circuit before soldering any components together. If it works on the breadboard and not in the soldered circuit, you will know that the problem is with your soldering and not a broken chip.

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Content:

• Altoids Headphone Amp
• Minty Blasters — The Classic ALTOIDS Tin Speakers
• Tube amplifier headphone
• Altoid Tin Headphone Amp
• Curiously Versatile
• CES 2008 Day 2: From iPods to iShoes
• Scott Wilkinson on Home Theater
• How to Turn a Mint Tin into a Mini Speaker

WATCH RELATED VIDEO: SPEAKER INSIDE: HECO ASCADA 2

Altoids Headphone Amp

Mar 16, Altoids Headphone Amp. I didn't draw out a schematic but it is pretty much another Smokey amp. The differences are that it has no switches, power is turned on and off by the input jack, it has a uF cap on the output, has a cluster of resistors on the output to reduce volume, and uses headphones instead of a speaker.

So what is special about it? Well, while it's not unique, it does have some nice features. Pressure from the lid actually holds the battery from sliding into other stuff it shouldn't. Also, the casing is all aluminum so acts as shielding and conducts the ground between the two jacks. And fits into a pocket ;. The cluster of resistors is the simple volume control I made by experimenting around with resistance.

The resistors are a mix of three 39, ohm resistors and four 22, ohms which puts total resistance at 3, ohms. If you had four 10, ohm resistors in parallel that would work well. I just added resistors until it was loud enough without being obnoxious.

Another plus side of using lower volume levels and running through headphones not speakers is that there is nearly no audible noise or hum, no doubt helped by the shielding. One last thing that I like that makes a headphone pocket amp more fun than a speaker amp is that you can use whatever headphones or earbuds you like and it gives a different tone with each one. It makes a good judge of headphone quality as well, since higher quality speakers use energy more efficiently and play louder than others.

That's about it for this amp, there really isn't much to talk about, but it is really great and was a fun half-hour project. I'd suggest something like this for a great first build, or an easy side project for more experienced engineers. Pictures coming soon, peace out. Email This BlogThis! Anonymous 20 March, Newer Post Older Post Home. Subscribe to: Post Comments Atom.

Minty Blasters — The Classic ALTOIDS Tin Speakers

Mar 16, Altoids Headphone Amp. I didn't draw out a schematic but it is pretty much another Smokey amp. The differences are that it has no switches, power is turned on and off by the input jack, it has a uF cap on the output, has a cluster of resistors on the output to reduce volume, and uses headphones instead of a speaker. So what is special about it? Well, while it's not unique, it does have some nice features.

Tube amplifier headphone

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Altoid Tin Headphone Amp

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Curiously Versatile

The Grado SRi headphone is great by the way. The outstanding performance of the Kenzie headphone amplifier is made possible with custom wound ultra high quality output transformers providing amazing frequency extension. The Platinum features fully balanced differ heritage headphone amplifier Encased in formed aluminum with genuine walnut veneer the Heritage Headphone Amplifier exudes quality before plugging in your headphones. However for a headphone amplifier than can produce on the order mW of output a CCS is an excellent choice. Jul 31 The headphone amp for the original 4 ohm Koss phones did need one.

CES 2008 Day 2: From iPods to iShoes

Ken Kirkpatrick won ReadyMade's MacGyver Challenge with these mini-speakers he made out of a couple of tins of Altoids, some headphones, some playing cards into a pair of mini-speakers. We heard they sound kinda tinny. Sign up. Altoids mini-speakers. Rojas

Scott Wilkinson on Home Theater

Post by Gizard » Sat Jan 18, pm. Post by Singlespeednut » Sun Jan 19, am. Post by Helder » Mon Jan 20, am.

How to Turn a Mint Tin into a Mini Speaker

I wanted to do something original and different than all the other altoid tins i had seen that had speakers or were made to hold an Ipod. I like to have music and but i like to protect my Ipod so, I decided to do both: an Ipod case that also has speakers. It is all neatly contained in one altoid tin. I have included instructions on how to make your own Ipod speaker case.

Great work Marxy, looks like a great little toy. I'm also playing around with different encoding, will let you know how it goes. Very nice your blog. Planet Ham is a website designed to aggregate blogs produced by Amateur Radio enthusiasts. The aim is to provide a central directory of Amateur Radio blogs so that interested browsers can visit subscribers sites and read about the various aspects of the hobby in detail. To add your blog to the Planet Ham feed please email the web address to webmaster planetham.

Everyone wants speakers, but they are often very expensive, and aren't portable at all. Chances are the you have received a lot of those holiday or birthday cards that sing to you when you open them. Maybe you got an undesirable present that happens to have a speaker inside of it.