Tracewell Systems, a custom power supply manufacturer and engineering services company, builds power supplies and other electronic equipment for a variety of customers. One contract came from a major ...

There’s a mystique in audiophile circles about tube amplifiers. They can have a very nice sound which is attributed to their even-harmonic distortion, but they are often portrayed as requiring rare ...

For example, traveling wave tube amplifiers (TWTAs) typically are operated in saturation so the amplifier’s power rating is the saturation power. In contrast, a solid-state power amplifier (SSPA) ...

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 ...

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 ...

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 ...