Learn how to make a speaker amplifier at home with our step-by-step guide! This video provides detailed instructions and tips ...

The speakers are wired to a simple aux jack and connect to an LM386 low-voltage amp circuit which [Olson] assembled and mounted into the header.

There are great presents, and then there are truly awesome presents: this home-built vacuum tube iPod amplifier and speakers falls most definitely into the latter category. Given to Peter Redmer ...

Details of a homemade iPod Hi-Fi system: After pricing everything out, I decided to build a single mono channel to see how it sounded. $100 for the amp, $100 for the speaker parts, $100 for wood ...

Half a century ago, vacuum tubes were very common in audio amplifiers. A small voltage applied to the grid of a vacuum tube controls a relatively large current that drives the electromagnet in a ...

DIY-focused Make magazine combined a little science with some elbow grease to make a stand that would boost the quality of sound produced by a basic guitar amp.