A conventional tube amplifier has a circuit whose fundamentals were well in place around a hundred years ago, so there are few surprises to be found in building one today. Nevertheless, building one ...

What is the LM386 audio amplifier? The integrated chip LM386 is a low power audio frequency amplifier requiring a low level power supply (most often batteries). It comes in an 8-pin mini-DIP package.

I’ll have a lot more to say about the Vincent SV-737 Integrated Tube Stereo Amplifier next week in the second part of my review but I wanted to give a brief introduction and share some early thoughts ...

If the pride and joy of your home stereo system is your music collection, then you’ll want the best stereo amplifier in order to hear your music loud and clear through your speakers. Streaming music ...

Sometimes it is necessary to split a single power supply in two or more parts which are not necessarily equal. This is the case with 6-, 12-, 15-, 24-, 36- or 48-V power supplies from dry batteries or ...

Why you can trust What Hi-Fi? Our expert team reviews products in dedicated test rooms, to help you make the best choice for your budget. Find out more about how we test. We can’t remember the last ...

We have to admit, we didn’t see this coming. If at the start of 2025 you had told us that stereo amplifiers was going to be one of the most vibrant categories at this year’s What Hi-Fi? Awards, we ...