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 ...
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 ...
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 ...
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 ...
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 ...
The K2-W vacuum-tube op amp has an LTspice-simulated open loop gain of 27,000. The modeled K2-W input impedance is >100 MΩ. The LTspice modeled result shows 1.00 nA of input current. Early SPICE ...
Probably like most people who learned engineering after the 1970s I was never formally taught anything about vacuum tubes. They'd long since been relegated to the electronics history books. But I had ...
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