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 ...

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 ...

In the first part of this two-part blog post I talked about one of my first “up-close-and-personal” experiences with tube-based audio electronics – a home-built hybrid solid-state/tube electrostatic ...

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 tube-powered modeler combos unite traditional touch sensitivity with digital flexibility ...

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 $15,000 McIntosh MC3500 MK II Vacuum Tube Power Amplifier goes back to the future and it is one mighty beast. The industrial design is definitely a mixture of old and new and it’s not something ...

is executive editor who has obsessed over headlines and internet speeds since 2011. He previously worked as an advocate for the National Park System. The Raspberry Pi is one of the most versatile ...