Bringing Back the Boombox
Ever wondered how to add an auxiliary input to an old stereo/tape player using nothing but a soldering iron and some old headphones? Then stop reading right now and head over here . Just want to learn a little more about how analog audio equipment works and doesn't work? Then read on to hear a little of what I've picked up over the years. Last week the cassette adapter I was using in my car to listen music from my phone gave out on the left channel. I was pretty sure it was just a break in the cable, since I was able to get sound back by holding the wire just right, so I decided to give repairing it a shot. I started by cutting the earbuds off an old set of airline headphones and stripping them back to bare wires on the ends. When I opened up the cassette, I was surprised to find not two, but three wires soldered to the tape head. Some quick research revealed that the third wire is a signal ground , which makes contact with a ground pin inside your iPod or...