Make a portable audio simple amplifier. Homemade amplifier for speakers ...

While this op amp may actually have some utility, it is intended mainly as an educational exercise. I guarantee that if you build and experiment with this circuit, you will learn and appreciate what ...

Inspired by many months of hours-long load shedding in South Africa, [JGJMatt] decided to make a portable speaker that can play tunes for hours on a single charge and even charge off the integrated ...

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 (real ...

First it was Personal Computers (PCs), then it was telecommunications, and now it is happening to the audiophile world: technology has shattered the cost vs. performance ratio for key pieces of audio ...

I'd like to monitor the amount of power (in watts) going into my speakers. I'm not concerned about over driving them or anything, I'm just curious how much power I'm actually using. I connected a volt ...

I was bitten by the audiophile bug at a relatively young age. When I was in my early teens, my parents purchased me a high-end stereo system complete with tuner, equalizer, dual cassette deck, 25-disc ...

On the day mini-amps were invented, electric guitar players the world over rejoiced. No longer would they be house-bound when jamming out on their favourite guitar. It is a doubly wondrous day indeed ...