Onkyo has launched a DIY headphone amplifier kit for hobbyists. The kit is available in Japan for 44,000 Yen (~$300) from the Kyoritsu Electronics Shop. Each unit is made to order and can be ordered ...

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 ...

TDA2030 is a monolithic integrated circuit in Pentawatt package, intended for use as a low frequency class AB amplifier. It provides 14W output power (d = 0.5%) at 14V/4Ω at ± 14V or 28V, the ...

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 ...

If you are considering attending the Defcon 26 hacking conference, taking place on August 9-12th, 2018 this year at Caesar’s Palace in Las Vegas. You may be interested in a new supercool Defcon 26 ...