If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...

Speaking of charm, we just love the amp these tubes went into. Built in 1920s breadboard-style, the features some beautiful vintage mica capacitors and wirewound resistors, plus a variable ...

First made in 1959, this is the best-selling tube amplifier of all time. Every product is carefully selected by our editors.

The HTA100’s glowing preamp tubes and signal meters make it the best-looking amp we’ve ever tested, too, but its eye-catching aesthetic may not appeal to everyone. This tiny integrated amp ...

The AVR-X3800H has more amp channels and more connection options than the AVR-X1800H, so the back panel is more crowded. But it has a similarly clean layout. Photo: Michael Hession The AVR-X3800H ...

The 303’s ‘triples’ transistor output configuration solved the thermal instability issues that plagued early transistor amplifier designs. This circuit layout produced low distortion ...

Over the years, solar tube lighting systems have become popular modern lighting solutions. And when it comes to using this eco-friendly option there are pros and cons that center on roof type ...

The EX Series features two audiophile-grade hi-fi components: the EXN100 music streamer ($1,799) and the EXA100 integrated amplifier ($2,199). The latter is most exciting. Not only are integrated ...

Unlike other types of changes the site rolls out, the new layout appears mostly permanent. There's no option to revert to the ...

Now click on Add a Keyboard and exit. Now that you have a keyboard installed let’s see how you can change the Windows keyboard layout. There are two ways to understand the layout part.

As any seasoned Londoner will know, Tube strikes are just as much part of the fabric of city life as the London Underground itself. At first, we were told the latest swathe of strikes had been ...

Read more about our Product Review Guidelines here. Amp ($1,795) is the newest addition to the world of smart fitness equipment, and it's unlike anything I've tried before. At first glance ...