With the wealth of cheap and highly integrated audio amplifier modules on the market today, it takes a special dedication to roll your own from parts. Especially when those parts include vacuum tubes, ...

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 ...

Operational amplifiers (op amps) have proliferated from specialized instruments made from large tubes to tiny monolithic circuits composed of a sliver of silicon, germanium or gallium arsenide. Dozens ...

All electric guitar players know that the amplifier is just as important — if not more — as the guitar itself for shaping your sound. Each major amplifier model has unique dynamics and tonal ...

The operational amplifier is arguably the most useful single device in analog electronic circuitry. When you apply them in the circuits, you must know their basics and functions. As for the function ...

What Is a Tube Amplifier? Tube amps are made using vacuum tubes, which were invented in 1925. Using a glass bulb akin to a light bulb, tube amps take a weak signal and amplify it several times through ...

It may not be to everyone's taste, but this brand new monobloc amplifier from McIntosh cleverly blends both vacuum tube and solid-state technology in one chassis. If you’re not a serious audiophile ...

So you've decided that you'd like to pick up a headphone amplifier. Like many things in the world of audio, deciding which to buy can be a rabbit hole of different designs, types, and price points. We ...

Muzak is best known for its background music that drives you crazy in the elevator, but as I discovered — they made amazing tube amplifiers as well. Life is definitely unpredictable; something that ...