Sat 7 Aug 2010
Great Sound on the Go
Posted by thenextstopwillbe under Music
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How to begin? I guess it started when I was behind a man in the grocery store checkout line a week or so ago. The man was buying some Altoids. I used to be a fan of them but hadn’t had any in a long time so, on impulse, I bought some as well. Actually, E bought them for me. Thanks honey! Anyway, I ate them over the weekend and saved the tin.
So now I had this tin but I wasn’t sure what I was gonna do with it. I knew there were lots of different hacks you could do with an Altoids tin so I turned to Google for some ideas. One of the first ones that I came across was a DIY headphone amp that fit inside the tin. I was vaguely familiar with headphone amps because I had considered buying one in the past but the cost was a bit more expensive than my curiosity warranted. So a DIY one seemed like a good idea.
I should explain what a headphone amp does before continuing with my story. Ideally, a headphone amp does two things. One, it allows you to use full size headphones, that have higher power requirements, with portable electronics such as an iPod or a portable CD player. And two, it makes those headphones and pretty much any headphones, even tiny earphones, sound a whole lot better. The sound is just much more expansive and has depth similar to how a good home stereo makes music sound better.
I’ve been really happy with my new home stereo setup so it seemed a natural extension to also improve my portable music experience. So after discovering I could build one relatively cheaply in an Altoids tin, I was hooked. And then began the research. After lots of reading and Google searches, I discovered that the cMoyBB is pretty much the tops when it comes to DIY headphone amps and the creator has a really nice site that details the parts and method of how to build one.
The problem was that even if I built it myself, it was still a bit more expensive than I wanted to spend since I wasn’t sure how much difference it would make in my headphone/iPod performance so I looked around the internet some more. eBay came to the rescue because the cMoyBB is based on an earlier amp design by Chu Moy called the CMoy. There were lots of prebuilt versions of this amp available on eBay for less than I would have had to spend to build the cMoyBB myself so I picked one out and bought it.
The amp arrived yesterday and I finally got to see what all the fuss about headphone amps was about. As usual, everyone else was right and my doubt was wrong. A headphone amp definitely, definitely improves the sound of your portable music. I’ve got several different portable music sources (iPod, CD Walkman, Macbook) and lots of different headphones and earphones and let me tell you, they all sound better when connected through a headphone amp, like a whole lot better. It’s like trying to compare a concert hall to a tin can, you can’t.
Now that I know how good an amp works, I may still go ahead and build my own just for the experience. I need a new electronics project and soldering up my own amp would fit the bill nicely. Plus there’s still the issue of that Altoids tin that needs a project.



