To be fair, the original creator admitted it wouldn't be when he said, "The increase in volume, of coarse, is radiculous, but hey, you get stylish iPod accessory out of nothing!"
Still, I figured why not try it out and just see hear what happens. I have an old pair of earbuds that I can try it out with and a couple coffee cups that were just hanging out on my desk waiting to get recycled anyway.
Step 1: Cut a hole
- Draw a dot in the center of the bottom of the cup
- Use that as a guide for placing your earbud against it
- Trace the shape of the earbud
- Cut out a slightly smaller shape
Step 2: Stick the earbud in
Step 3: Add a couple toothpicks for legs
Step 4: Test!
The first test I did was to put the meter right at the mouth of the cup. I compared this reading with a measurement of the volume coming from the other earbud at the same distance. The height of the cup was about 5" so I measured the earbud from 5" away as well.
The difference? Huge! The cup speaker was about 15 decibels louder than the naked earbud. Pretty impressive, right?
Well, no, not really. That would be assuming that your ear is right up in the cup and if you're doing that you might as well just be wearing them.
So time for more testing...