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 ...

[Simon] wrote in to tell us about a headphone tube amp that he just built. It is based on schematics at diyaudioprojects.com that were actually featured on Hackaday in the past. [Simon’s] design adds ...

Local musician and tinkerer Jason Harrington is breathing new life into the classic sound of tube amplification. Harrington said his custom tube amps are as unique as each musician who plays through ...

The problem with tube based audio is that it has so often been hijacked by people for whom the bragging rights of having a tube amplifier outweigh the benefits, or the sheer fun of building the thing.

Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs. Just over the D.C. line, Linear Tube Audio handbuilds ...

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 ...

Smooth treble and warm midrange. Good bass output for power rating. Solid build quality, heavy. At maximum output, sound is still tolerable. All of the sonic advantages of tubes. AV123 is of a new ...