Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

Having built a number of vacuum tube output transformer-less (OTL) amplifiers in recent years, it seemed as though it might be a good idea to try combining older with newer technology and using both ...

The circuit was designed to create a power amplifier circuit that will utilize E80CC and EL34 vacuum tubes for better results while providing 35 Watts of power. E80CC – a special quality double triode ...

SōLIS, an audio brand that has been around for four decades, is constantly evolving. Many of its current offerings pair with Google Home and Chromecast devices and it made a nice showing at CES with ...

If you’ve ever wondered why something like a radio or a TV could command a hefty fraction of a family’s yearly income back in the day, a likely culprit is the collection of power transformers needed ...

Vacuum tube amplifiers just won’t go away. I am speaking more of audio vacuum tube amps than I am of microwave amps like magnetrons, klystrons, TWTs and the like. Most other audio gear is solid state ...

IN THE AGE OFwireless speakers and Bluetooth streaming, vacuum-tube amplifiers may seem antiquated, but you don’t have to be an audio nerd to appreciate their appeal. Designed to power traditional ...

There’s a mystique among both audiophiles and musicians about vacuum technology, thus having a tube amp still carries a bit of a cachet. New ones can be bought for eye-watering prices and old ones can ...

The artisans of hi-fi, McIntosh Labs, has just unveiled the new MHA200 Vacuum Tube Headphone Amplifier. Made for discerning headphone/home audio enthusiasts, this new amp features a pair of 12AT7 and ...

Todd Sharp is surrounded by a mountain of guitar amps. But he’s quick to say some of them are better than others. “That’s kind of my motto here: Life is too short to play shitty amps,” he said with a ...

So you’ve made the decision to buy an external headphone amplifier for your desktop setup. Awesome. It’s an easy way to make your nice pair of wired headphones sound better (because your computer’s ...