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 ...

Despite the oldest solid state audio circuitry now qualifying for a pension and a bus pass where this is being written, the thermionic tube retains a foothold in the world of audio — cherished by ...

Superb Design and Build Quality Help VX PP-KT88/C and VX SE-KT88/C Amps Deliver Dynamic, Crystal-Clear, Emotionally Engaging Audio Koetsu USA, the U.S. distribution arm of the world-renowned Japanese ...

Want to experiment with tube sound? It doesn't get much more affordable than this.

Vincent Audio has introduced the new SP-331MK hybrid vacuum tube and solid-state power amplifier that is a performance enhanced version of the company’s popular SP-331 power amplifier. While the ...

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 ...

The circuit uses the functionality of vacuum tubes to create a stereo amplifier that may be used to amply signals coming from different sources such as CD or mp3 players. In dealing with this circuit, ...

Prior to Bell Labs’ first working transistor in 1947, which ushered in the advent of semiconductor technology and the computer age, every long-distance telephone call, radio and television broadcast, ...

If you asked [Hans_Daniel] what he learned by building a tube audio amplifier with a dozen tubes that he found, the answer might just be, “don’t wind your own transformers.” We were impressed, though, ...

AuricSound has launched a new vacuum tube amplifier via Kickstarter this month in the form of the AuricSound A7 which has been created to provide a warm and rich sound. The vacuum tube amplifier is ...

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 ...