We set up and tear down a lot of home theater and audio/video gear on a daily basis — everything from speakers and subwoofers to amplifiers, receivers, turntables, and everything in-between. And one ...

I'm trying to hook up a new subwoofer using the wiring in my house that was installed when the house was built. The cable for the sub is just a coaxial cable with no ends, so I need to stick an RCA ...