I am looking at building a ~80W class A amp for experiance and to save costs. I am looking at the AE Aegis One's (nice kit for about $500 here) to couple it with for now but eventually will go up to ...

If you asked [Hans_Daniel] what he learned by building a tube audio amplifier with a dozen tubes that he found, the answer might just be, “don’t wind your own transformers.” We were impressed, though, ...

The purpose of the project is to construct a high end headphone amplifier designed for the highest quality music reproduction with the minimum of distortion. The amplifier is an essential part of any ...

Two components make up the foundation of any hi-fi system: the speakers and the amplifier needed to properly drive them. If you want to create a vinyl hi-fi system, you’ll also need a turntable and a ...

You could argue that the integrated amplifier is arguably the most critical component in modern hi-fi. It combines a power amplifier, a built-in phono preamplifier (which you need to connect a ...

Two of the most often used amplifier building blocks in audio amplifier design are the common emitter amplifier with emitter degeneration and the emitter follower using the same circuit biasing. The ...