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, ...

Among tube designers, Hamming says, “there's a tendency to overspec—to impose minimum wall thicknesses and small tolerance ranges on features that aren't critical.” When designers pile on features, ...

As a self-proclaimed tone chaser, I’ll try almost anything in pursuit of better guitar tone. Years ago, intrigued by the hype around NOS tubes and the promise that they could magically transform my ...